21000304800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{153511}}^1$

素因数の和:153556

約数の個数: 216

約数和(自身を含む): 77950323360

約数和(自身を除く): 56950018560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 144, 150, 152, 160, 171, 180, 190, 200, 225, 228, 240, 285, 288, 300, 304, 342, 360, 380, 400, 450, 456, 475, 480, 570, 600, 608, 684, 720, 760, 800, 855, 900, 912, 950, 1140, 1200, 1368, 1425, 1440, 1520, 1710, 1800, 1824, 1900, 2280, 2400, 2736, 2850, 3040, 3420, 3600, 3800, 4275, 4560, 5472, 5700, 6840, 7200, 7600, 8550, 9120, 11400, 13680, 15200, 17100, 22800, 27360, 34200, 45600, 68400, 136800, 153511, 307022, 460533, 614044, 767555, 921066, 1228088, 1381599, 1535110, 1842132, 2302665, 2456176, 2763198, 2916709, 3070220, 3684264, 3837775, 4605330, 4912352, 5526396, 5833418, 6140440, 6907995, 7368528, 7675550, 8750127, 9210660, 11052792, 11513325, 11666836, 12280880, 13815990, 14583545, 14737056, 15351100, 17500254, 18421320, 22105584, 23026650, 23333672, 24561760, 26250381, 27631980, 29167090, 30702200, 34539975, 35000508, 36842640, 43750635, 44211168, 46053300, 46667344, 52500762, 55263960, 58334180, 61404400, 69079950, 70001016, 72917725, 73685280, 87501270, 92106600, 93334688, 105001524, 110527920, 116668360, 122808800, 131251905, 138159900, 140002032, 145835450, 175002540, 184213200, 210003048, 218753175, 221055840, 233336720, 262503810, 276319800, 280004064, 291670900, 350005080, 368426400, 420006096, 437506350, 466673440, 525007620, 552639600, 583341800, 656259525, 700010160, 840012192, 875012700, 1050015240, 1105279200, 1166683600, 1312519050, 1400020320, 1750025400, 2100030480, 2333367200, 2625038100, 3500050800, 4200060960, 5250076200, 7000101600, 10500152400, 21000304800]

約数ペア:

[(1, 21000304800), (2, 10500152400), (3, 7000101600), (4, 5250076200), (5, 4200060960), (6, 3500050800), (8, 2625038100), (9, 2333367200), (10, 2100030480), (12, 1750025400), (15, 1400020320), (16, 1312519050), (18, 1166683600), (19, 1105279200), (20, 1050015240), (24, 875012700), (25, 840012192), (30, 700010160), (32, 656259525), (36, 583341800), (38, 552639600), (40, 525007620), (45, 466673440), (48, 437506350), (50, 420006096), (57, 368426400), (60, 350005080), (72, 291670900), (75, 280004064), (76, 276319800), (80, 262503810), (90, 233336720), (95, 221055840), (96, 218753175), (100, 210003048), (114, 184213200), (120, 175002540), (144, 145835450), (150, 140002032), (152, 138159900), (160, 131251905), (171, 122808800), (180, 116668360), (190, 110527920), (200, 105001524), (225, 93334688), (228, 92106600), (240, 87501270), (285, 73685280), (288, 72917725), (300, 70001016), (304, 69079950), (342, 61404400), (360, 58334180), (380, 55263960), (400, 52500762), (450, 46667344), (456, 46053300), (475, 44211168), (480, 43750635), (570, 36842640), (600, 35000508), (608, 34539975), (684, 30702200), (720, 29167090), (760, 27631980), (800, 26250381), (855, 24561760), (900, 23333672), (912, 23026650), (950, 22105584), (1140, 18421320), (1200, 17500254), (1368, 15351100), (1425, 14737056), (1440, 14583545), (1520, 13815990), (1710, 12280880), (1800, 11666836), (1824, 11513325), (1900, 11052792), (2280, 9210660), (2400, 8750127), (2736, 7675550), (2850, 7368528), (3040, 6907995), (3420, 6140440), (3600, 5833418), (3800, 5526396), (4275, 4912352), (4560, 4605330), (5472, 3837775), (5700, 3684264), (6840, 3070220), (7200, 2916709), (7600, 2763198), (8550, 2456176), (9120, 2302665), (11400, 1842132), (13680, 1535110), (15200, 1381599), (17100, 1228088), (22800, 921066), (27360, 767555), (34200, 614044), (45600, 460533), (68400, 307022), (136800, 153511)]