21221867520

素因数分解:

$2^{18}\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 456

約数和(自身を含む): 84406012704

約数和(自身を除く): 63184145184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 257, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 514, 560, 576, 630, 640, 672, 720, 768, 771, 840, 896, 960, 1008, 1024, 1028, 1120, 1152, 1260, 1280, 1285, 1344, 1440, 1536, 1542, 1680, 1792, 1799, 1920, 2016, 2048, 2056, 2240, 2304, 2313, 2520, 2560, 2570, 2688, 2880, 3072, 3084, 3360, 3584, 3598, 3840, 3855, 4032, 4096, 4112, 4480, 4608, 4626, 5040, 5120, 5140, 5376, 5397, 5760, 6144, 6168, 6720, 7168, 7196, 7680, 7710, 8064, 8192, 8224, 8960, 8995, 9216, 9252, 10080, 10240, 10280, 10752, 10794, 11520, 11565, 12288, 12336, 13440, 14336, 14392, 15360, 15420, 16128, 16191, 16384, 16448, 17920, 17990, 18432, 18504, 20160, 20480, 20560, 21504, 21588, 23040, 23130, 24576, 24672, 26880, 26985, 28672, 28784, 30720, 30840, 32256, 32382, 32768, 32896, 35840, 35980, 36864, 37008, 40320, 40960, 41120, 43008, 43176, 46080, 46260, 49152, 49344, 53760, 53970, 57344, 57568, 61440, 61680, 64512, 64764, 65536, 65792, 71680, 71960, 73728, 74016, 80640, 80955, 81920, 82240, 86016, 86352, 92160, 92520, 98304, 98688, 107520, 107940, 114688, 115136, 122880, 123360, 129024, 129528, 131072, 131584, 143360, 143920, 147456, 148032, 161280, 161910, 163840, 164480, 172032, 172704, 184320, 185040, 196608, 197376, 215040, 215880, 229376, 230272, 245760, 246720, 258048, 259056, 262144, 263168, 286720, 287840, 294912, 296064, 322560, 323820, 327680, 328960, 344064, 345408, 368640, 370080, 393216, 394752, 430080, 431760, 458752, 460544, 491520, 493440, 516096, 518112, 526336, 573440, 575680, 589824, 592128, 645120, 647640, 655360, 657920, 688128, 690816, 737280, 740160, 786432, 789504, 860160, 863520, 917504, 921088, 983040, 986880, 1032192, 1036224, 1052672, 1146880, 1151360, 1179648, 1184256, 1290240, 1295280, 1310720, 1315840, 1376256, 1381632, 1474560, 1480320, 1579008, 1720320, 1727040, 1835008, 1842176, 1966080, 1973760, 2064384, 2072448, 2105344, 2293760, 2302720, 2359296, 2368512, 2580480, 2590560, 2631680, 2752512, 2763264, 2949120, 2960640, 3158016, 3440640, 3454080, 3684352, 3932160, 3947520, 4128768, 4144896, 4210688, 4587520, 4605440, 4737024, 5160960, 5181120, 5263360, 5505024, 5526528, 5898240, 5921280, 6316032, 6881280, 6908160, 7368704, 7895040, 8257536, 8289792, 8421376, 9175040, 9210880, 9474048, 10321920, 10362240, 10526720, 11053056, 11796480, 11842560, 12632064, 13762560, 13816320, 14737408, 15790080, 16515072, 16579584, 16842752, 18421760, 18948096, 20643840, 20724480, 21053440, 22106112, 23685120, 25264128, 27525120, 27632640, 29474816, 31580160, 33159168, 33685504, 36843520, 37896192, 41287680, 41448960, 42106880, 44212224, 47370240, 50528256, 55265280, 58949632, 63160320, 66318336, 67371008, 73687040, 75792384, 82575360, 82897920, 84213760, 88424448, 94740480, 101056512, 110530560, 117899264, 126320640, 132636672, 147374080, 151584768, 165795840, 168427520, 176848896, 189480960, 202113024, 221061120, 235798528, 252641280, 265273344, 294748160, 303169536, 331591680, 336855040, 353697792, 378961920, 442122240, 471597056, 505282560, 530546688, 589496320, 606339072, 663183360, 707395584, 757923840, 884244480, 1010565120, 1061093376, 1178992640, 1326366720, 1414791168, 1515847680, 1768488960, 2122186752, 2357985280, 2652733440, 3031695360, 3536977920, 4244373504, 5305466880, 7073955840, 10610933760, 21221867520]

約数ペア:

[(1, 21221867520), (2, 10610933760), (3, 7073955840), (4, 5305466880), (5, 4244373504), (6, 3536977920), (7, 3031695360), (8, 2652733440), (9, 2357985280), (10, 2122186752), (12, 1768488960), (14, 1515847680), (15, 1414791168), (16, 1326366720), (18, 1178992640), (20, 1061093376), (21, 1010565120), (24, 884244480), (28, 757923840), (30, 707395584), (32, 663183360), (35, 606339072), (36, 589496320), (40, 530546688), (42, 505282560), (45, 471597056), (48, 442122240), (56, 378961920), (60, 353697792), (63, 336855040), (64, 331591680), (70, 303169536), (72, 294748160), (80, 265273344), (84, 252641280), (90, 235798528), (96, 221061120), (105, 202113024), (112, 189480960), (120, 176848896), (126, 168427520), (128, 165795840), (140, 151584768), (144, 147374080), (160, 132636672), (168, 126320640), (180, 117899264), (192, 110530560), (210, 101056512), (224, 94740480), (240, 88424448), (252, 84213760), (256, 82897920), (257, 82575360), (280, 75792384), (288, 73687040), (315, 67371008), (320, 66318336), (336, 63160320), (360, 58949632), (384, 55265280), (420, 50528256), (448, 47370240), (480, 44212224), (504, 42106880), (512, 41448960), (514, 41287680), (560, 37896192), (576, 36843520), (630, 33685504), (640, 33159168), (672, 31580160), (720, 29474816), (768, 27632640), (771, 27525120), (840, 25264128), (896, 23685120), (960, 22106112), (1008, 21053440), (1024, 20724480), (1028, 20643840), (1120, 18948096), (1152, 18421760), (1260, 16842752), (1280, 16579584), (1285, 16515072), (1344, 15790080), (1440, 14737408), (1536, 13816320), (1542, 13762560), (1680, 12632064), (1792, 11842560), (1799, 11796480), (1920, 11053056), (2016, 10526720), (2048, 10362240), (2056, 10321920), (2240, 9474048), (2304, 9210880), (2313, 9175040), (2520, 8421376), (2560, 8289792), (2570, 8257536), (2688, 7895040), (2880, 7368704), (3072, 6908160), (3084, 6881280), (3360, 6316032), (3584, 5921280), (3598, 5898240), (3840, 5526528), (3855, 5505024), (4032, 5263360), (4096, 5181120), (4112, 5160960), (4480, 4737024), (4608, 4605440), (4626, 4587520), (5040, 4210688), (5120, 4144896), (5140, 4128768), (5376, 3947520), (5397, 3932160), (5760, 3684352), (6144, 3454080), (6168, 3440640), (6720, 3158016), (7168, 2960640), (7196, 2949120), (7680, 2763264), (7710, 2752512), (8064, 2631680), (8192, 2590560), (8224, 2580480), (8960, 2368512), (8995, 2359296), (9216, 2302720), (9252, 2293760), (10080, 2105344), (10240, 2072448), (10280, 2064384), (10752, 1973760), (10794, 1966080), (11520, 1842176), (11565, 1835008), (12288, 1727040), (12336, 1720320), (13440, 1579008), (14336, 1480320), (14392, 1474560), (15360, 1381632), (15420, 1376256), (16128, 1315840), (16191, 1310720), (16384, 1295280), (16448, 1290240), (17920, 1184256), (17990, 1179648), (18432, 1151360), (18504, 1146880), (20160, 1052672), (20480, 1036224), (20560, 1032192), (21504, 986880), (21588, 983040), (23040, 921088), (23130, 917504), (24576, 863520), (24672, 860160), (26880, 789504), (26985, 786432), (28672, 740160), (28784, 737280), (30720, 690816), (30840, 688128), (32256, 657920), (32382, 655360), (32768, 647640), (32896, 645120), (35840, 592128), (35980, 589824), (36864, 575680), (37008, 573440), (40320, 526336), (40960, 518112), (41120, 516096), (43008, 493440), (43176, 491520), (46080, 460544), (46260, 458752), (49152, 431760), (49344, 430080), (53760, 394752), (53970, 393216), (57344, 370080), (57568, 368640), (61440, 345408), (61680, 344064), (64512, 328960), (64764, 327680), (65536, 323820), (65792, 322560), (71680, 296064), (71960, 294912), (73728, 287840), (74016, 286720), (80640, 263168), (80955, 262144), (81920, 259056), (82240, 258048), (86016, 246720), (86352, 245760), (92160, 230272), (92520, 229376), (98304, 215880), (98688, 215040), (107520, 197376), (107940, 196608), (114688, 185040), (115136, 184320), (122880, 172704), (123360, 172032), (129024, 164480), (129528, 163840), (131072, 161910), (131584, 161280), (143360, 148032), (143920, 147456)]