21002224

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{8053}}^1$

素因数の和:8224

約数の個数: 20

約数和(自身を含む): 40946536

約数和(自身を除く): 19944312

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 8053, 16106, 32212, 64424, 128848, 1312639, 2625278, 5250556, 10501112, 21002224]

約数ペア:

[(1, 21002224), (2, 10501112), (4, 5250556), (8, 2625278), (16, 1312639), (163, 128848), (326, 64424), (652, 32212), (1304, 16106), (2608, 8053)]