21311630

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 39726720

約数和(自身を除く): 18415090

約数列:

[1, 2, 5, 10, 37, 74, 185, 239, 241, 370, 478, 482, 1195, 1205, 2390, 2410, 8843, 8917, 17686, 17834, 44215, 44585, 57599, 88430, 89170, 115198, 287995, 575990, 2131163, 4262326, 10655815, 21311630]

約数ペア:

[(1, 21311630), (2, 10655815), (5, 4262326), (10, 2131163), (37, 575990), (74, 287995), (185, 115198), (239, 89170), (241, 88430), (370, 57599), (478, 44585), (482, 44215), (1195, 17834), (1205, 17686), (2390, 8917), (2410, 8843)]