21999337920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{155891}}^1$

素因数の和:155928

約数の個数: 252

約数和(自身を含む): 88023170664

約数和(自身を除く): 66023832744

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, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4704, 5040, 5880, 6720, 7056, 7840, 8820, 9408, 10080, 11760, 14112, 15680, 17640, 20160, 23520, 28224, 35280, 47040, 70560, 141120, 155891, 311782, 467673, 623564, 779455, 935346, 1091237, 1247128, 1403019, 1558910, 1870692, 2182474, 2338365, 2494256, 2806038, 3117820, 3273711, 3741384, 4364948, 4676730, 4988512, 5456185, 5612076, 6235640, 6547422, 7015095, 7482768, 7638659, 8729896, 9353460, 9821133, 9977024, 10912370, 11224152, 12471280, 13094844, 14030190, 14965536, 15277318, 16368555, 17459792, 18706920, 19642266, 21824740, 22448304, 22915977, 24942560, 26189688, 28060380, 29931072, 30554636, 32737110, 34919584, 37413840, 38193295, 39284532, 43649480, 44896608, 45831954, 49105665, 49885120, 52379376, 56120760, 61109272, 65474220, 68747931, 69839168, 74827680, 76386590, 78569064, 87298960, 89793216, 91663908, 98211330, 104758752, 112241520, 114579885, 122218544, 130948440, 137495862, 149655360, 152773180, 157138128, 174597920, 183327816, 196422660, 209517504, 224483040, 229159770, 244437088, 261896880, 274991724, 305546360, 314276256, 343739655, 349195840, 366655632, 392845320, 448966080, 458319540, 488874176, 523793760, 549983448, 611092720, 628552512, 687479310, 733311264, 785690640, 916639080, 1047587520, 1099966896, 1222185440, 1374958620, 1466622528, 1571381280, 1833278160, 2199933792, 2444370880, 2749917240, 3142762560, 3666556320, 4399867584, 5499834480, 7333112640, 10999668960, 21999337920]

約数ペア:

[(1, 21999337920), (2, 10999668960), (3, 7333112640), (4, 5499834480), (5, 4399867584), (6, 3666556320), (7, 3142762560), (8, 2749917240), (9, 2444370880), (10, 2199933792), (12, 1833278160), (14, 1571381280), (15, 1466622528), (16, 1374958620), (18, 1222185440), (20, 1099966896), (21, 1047587520), (24, 916639080), (28, 785690640), (30, 733311264), (32, 687479310), (35, 628552512), (36, 611092720), (40, 549983448), (42, 523793760), (45, 488874176), (48, 458319540), (49, 448966080), (56, 392845320), (60, 366655632), (63, 349195840), (64, 343739655), (70, 314276256), (72, 305546360), (80, 274991724), (84, 261896880), (90, 244437088), (96, 229159770), (98, 224483040), (105, 209517504), (112, 196422660), (120, 183327816), (126, 174597920), (140, 157138128), (144, 152773180), (147, 149655360), (160, 137495862), (168, 130948440), (180, 122218544), (192, 114579885), (196, 112241520), (210, 104758752), (224, 98211330), (240, 91663908), (245, 89793216), (252, 87298960), (280, 78569064), (288, 76386590), (294, 74827680), (315, 69839168), (320, 68747931), (336, 65474220), (360, 61109272), (392, 56120760), (420, 52379376), (441, 49885120), (448, 49105665), (480, 45831954), (490, 44896608), (504, 43649480), (560, 39284532), (576, 38193295), (588, 37413840), (630, 34919584), (672, 32737110), (720, 30554636), (735, 29931072), (784, 28060380), (840, 26189688), (882, 24942560), (960, 22915977), (980, 22448304), (1008, 21824740), (1120, 19642266), (1176, 18706920), (1260, 17459792), (1344, 16368555), (1440, 15277318), (1470, 14965536), (1568, 14030190), (1680, 13094844), (1764, 12471280), (1960, 11224152), (2016, 10912370), (2205, 9977024), (2240, 9821133), (2352, 9353460), (2520, 8729896), (2880, 7638659), (2940, 7482768), (3136, 7015095), (3360, 6547422), (3528, 6235640), (3920, 5612076), (4032, 5456185), (4410, 4988512), (4704, 4676730), (5040, 4364948), (5880, 3741384), (6720, 3273711), (7056, 3117820), (7840, 2806038), (8820, 2494256), (9408, 2338365), (10080, 2182474), (11760, 1870692), (14112, 1558910), (15680, 1403019), (17640, 1247128), (20160, 1091237), (23520, 935346), (28224, 779455), (35280, 623564), (47040, 467673), (70560, 311782), (141120, 155891)]