21548430

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:775

約数の個数: 80

約数和(自身を含む): 59590080

約数和(自身を除く): 38041650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 666, 719, 810, 999, 1110, 1438, 1665, 1998, 2157, 2997, 3330, 3595, 4314, 4995, 5994, 6471, 7190, 9990, 10785, 12942, 14985, 19413, 21570, 26603, 29970, 32355, 38826, 53206, 58239, 64710, 79809, 97065, 116478, 133015, 159618, 194130, 239427, 266030, 291195, 399045, 478854, 582390, 718281, 798090, 1197135, 1436562, 2154843, 2394270, 3591405, 4309686, 7182810, 10774215, 21548430]

約数ペア:

[(1, 21548430), (2, 10774215), (3, 7182810), (5, 4309686), (6, 3591405), (9, 2394270), (10, 2154843), (15, 1436562), (18, 1197135), (27, 798090), (30, 718281), (37, 582390), (45, 478854), (54, 399045), (74, 291195), (81, 266030), (90, 239427), (111, 194130), (135, 159618), (162, 133015), (185, 116478), (222, 97065), (270, 79809), (333, 64710), (370, 58239), (405, 53206), (555, 38826), (666, 32355), (719, 29970), (810, 26603), (999, 21570), (1110, 19413), (1438, 14985), (1665, 12942), (1998, 10785), (2157, 9990), (2997, 7190), (3330, 6471), (3595, 5994), (4314, 4995)]