21015697920

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{907}}^1$

素因数の和:1371

約数の個数: 320

約数和(自身を含む): 77045354496

約数和(自身を除く): 56029656576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 431, 448, 480, 512, 560, 640, 672, 768, 840, 862, 896, 907, 960, 1120, 1280, 1293, 1344, 1536, 1680, 1724, 1792, 1814, 1920, 2155, 2240, 2560, 2586, 2688, 2721, 3017, 3360, 3448, 3584, 3628, 3840, 4310, 4480, 4535, 5172, 5376, 5442, 6034, 6349, 6465, 6720, 6896, 7256, 7680, 8620, 8960, 9051, 9070, 10344, 10752, 10884, 12068, 12698, 12930, 13440, 13605, 13792, 14512, 15085, 17240, 17920, 18102, 18140, 19047, 20688, 21768, 24136, 25396, 25860, 26880, 27210, 27584, 29024, 30170, 31745, 34480, 36204, 36280, 38094, 41376, 43536, 45255, 48272, 50792, 51720, 53760, 54420, 55168, 58048, 60340, 63490, 68960, 72408, 72560, 76188, 82752, 87072, 90510, 95235, 96544, 101584, 103440, 108840, 110336, 116096, 120680, 126980, 137920, 144816, 145120, 152376, 165504, 174144, 181020, 190470, 193088, 203168, 206880, 217680, 220672, 232192, 241360, 253960, 275840, 289632, 290240, 304752, 331008, 348288, 362040, 380940, 386176, 390917, 406336, 413760, 435360, 464384, 482720, 507920, 551680, 579264, 580480, 609504, 662016, 696576, 724080, 761880, 772352, 781834, 812672, 827520, 870720, 965440, 1015840, 1103360, 1158528, 1160960, 1172751, 1219008, 1393152, 1448160, 1523760, 1544704, 1563668, 1625344, 1655040, 1741440, 1930880, 1954585, 2031680, 2317056, 2321920, 2345502, 2438016, 2736419, 2896320, 3047520, 3127336, 3250688, 3310080, 3482880, 3861760, 3909170, 4063360, 4634112, 4691004, 4876032, 5472838, 5792640, 5863755, 6095040, 6254672, 6965760, 7723520, 7818340, 8126720, 8209257, 9382008, 9752064, 10945676, 11585280, 11727510, 12190080, 12509344, 13682095, 15636680, 16253440, 16418514, 18764016, 21891352, 23170560, 23455020, 24380160, 25018688, 27364190, 31273360, 32837028, 37528032, 41046285, 43782704, 46910040, 48760320, 50037376, 54728380, 62546720, 65674056, 75056064, 82092570, 87565408, 93820080, 100074752, 109456760, 125093440, 131348112, 150112128, 164185140, 175130816, 187640160, 200149504, 218913520, 250186880, 262696224, 300224256, 328370280, 350261632, 375280320, 437827040, 500373760, 525392448, 600448512, 656740560, 700523264, 750560640, 875654080, 1000747520, 1050784896, 1313481120, 1401046528, 1501121280, 1751308160, 2101569792, 2626962240, 3002242560, 3502616320, 4203139584, 5253924480, 7005232640, 10507848960, 21015697920]

約数ペア:

[(1, 21015697920), (2, 10507848960), (3, 7005232640), (4, 5253924480), (5, 4203139584), (6, 3502616320), (7, 3002242560), (8, 2626962240), (10, 2101569792), (12, 1751308160), (14, 1501121280), (15, 1401046528), (16, 1313481120), (20, 1050784896), (21, 1000747520), (24, 875654080), (28, 750560640), (30, 700523264), (32, 656740560), (35, 600448512), (40, 525392448), (42, 500373760), (48, 437827040), (56, 375280320), (60, 350261632), (64, 328370280), (70, 300224256), (80, 262696224), (84, 250186880), (96, 218913520), (105, 200149504), (112, 187640160), (120, 175130816), (128, 164185140), (140, 150112128), (160, 131348112), (168, 125093440), (192, 109456760), (210, 100074752), (224, 93820080), (240, 87565408), (256, 82092570), (280, 75056064), (320, 65674056), (336, 62546720), (384, 54728380), (420, 50037376), (431, 48760320), (448, 46910040), (480, 43782704), (512, 41046285), (560, 37528032), (640, 32837028), (672, 31273360), (768, 27364190), (840, 25018688), (862, 24380160), (896, 23455020), (907, 23170560), (960, 21891352), (1120, 18764016), (1280, 16418514), (1293, 16253440), (1344, 15636680), (1536, 13682095), (1680, 12509344), (1724, 12190080), (1792, 11727510), (1814, 11585280), (1920, 10945676), (2155, 9752064), (2240, 9382008), (2560, 8209257), (2586, 8126720), (2688, 7818340), (2721, 7723520), (3017, 6965760), (3360, 6254672), (3448, 6095040), (3584, 5863755), (3628, 5792640), (3840, 5472838), (4310, 4876032), (4480, 4691004), (4535, 4634112), (5172, 4063360), (5376, 3909170), (5442, 3861760), (6034, 3482880), (6349, 3310080), (6465, 3250688), (6720, 3127336), (6896, 3047520), (7256, 2896320), (7680, 2736419), (8620, 2438016), (8960, 2345502), (9051, 2321920), (9070, 2317056), (10344, 2031680), (10752, 1954585), (10884, 1930880), (12068, 1741440), (12698, 1655040), (12930, 1625344), (13440, 1563668), (13605, 1544704), (13792, 1523760), (14512, 1448160), (15085, 1393152), (17240, 1219008), (17920, 1172751), (18102, 1160960), (18140, 1158528), (19047, 1103360), (20688, 1015840), (21768, 965440), (24136, 870720), (25396, 827520), (25860, 812672), (26880, 781834), (27210, 772352), (27584, 761880), (29024, 724080), (30170, 696576), (31745, 662016), (34480, 609504), (36204, 580480), (36280, 579264), (38094, 551680), (41376, 507920), (43536, 482720), (45255, 464384), (48272, 435360), (50792, 413760), (51720, 406336), (53760, 390917), (54420, 386176), (55168, 380940), (58048, 362040), (60340, 348288), (63490, 331008), (68960, 304752), (72408, 290240), (72560, 289632), (76188, 275840), (82752, 253960), (87072, 241360), (90510, 232192), (95235, 220672), (96544, 217680), (101584, 206880), (103440, 203168), (108840, 193088), (110336, 190470), (116096, 181020), (120680, 174144), (126980, 165504), (137920, 152376), (144816, 145120)]