21211360

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3583}}^1$

素因数の和:3635

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 30269216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3583, 5920, 7166, 14332, 17915, 28664, 35830, 57328, 71660, 114656, 132571, 143320, 265142, 286640, 530284, 573280, 662855, 1060568, 1325710, 2121136, 2651420, 4242272, 5302840, 10605680, 21211360]

約数ペア:

[(1, 21211360), (2, 10605680), (4, 5302840), (5, 4242272), (8, 2651420), (10, 2121136), (16, 1325710), (20, 1060568), (32, 662855), (37, 573280), (40, 530284), (74, 286640), (80, 265142), (148, 143320), (160, 132571), (185, 114656), (296, 71660), (370, 57328), (592, 35830), (740, 28664), (1184, 17915), (1480, 14332), (2960, 7166), (3583, 5920)]