21718544

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2437}}^1$

素因数の和:3002

約数の個数: 20

約数和(自身を含む): 42172524

約数和(自身を除く): 20453980

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2437, 4456, 4874, 8912, 9748, 19496, 38992, 1357409, 2714818, 5429636, 10859272, 21718544]

約数ペア:

[(1, 21718544), (2, 10859272), (4, 5429636), (8, 2714818), (16, 1357409), (557, 38992), (1114, 19496), (2228, 9748), (2437, 8912), (4456, 4874)]