21524312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1567}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 21658408

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 202, 404, 808, 1567, 1717, 3134, 3434, 6268, 6868, 12536, 13736, 26639, 53278, 106556, 158267, 213112, 316534, 633068, 1266136, 2690539, 5381078, 10762156, 21524312]

約数ペア:

[(1, 21524312), (2, 10762156), (4, 5381078), (8, 2690539), (17, 1266136), (34, 633068), (68, 316534), (101, 213112), (136, 158267), (202, 106556), (404, 53278), (808, 26639), (1567, 13736), (1717, 12536), (3134, 6868), (3434, 6268)]