21266930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2213}}^1$

素因数の和:2282

約数の個数: 24

約数和(自身を含む): 39573036

約数和(自身を除く): 18306106

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 2213, 4426, 4805, 9610, 11065, 22130, 68603, 137206, 343015, 686030, 2126693, 4253386, 10633465, 21266930]

約数ペア:

[(1, 21266930), (2, 10633465), (5, 4253386), (10, 2126693), (31, 686030), (62, 343015), (155, 137206), (310, 68603), (961, 22130), (1922, 11065), (2213, 9610), (4426, 4805)]