21965696

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2502

約数の個数: 32

約数和(自身を含む): 44394480

約数和(自身を除く): 22428784

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 2417, 4544, 4834, 9088, 9668, 19336, 38672, 77344, 154688, 171607, 309376, 343214, 686428, 1372856, 2745712, 5491424, 10982848, 21965696]

約数ペア:

[(1, 21965696), (2, 10982848), (4, 5491424), (8, 2745712), (16, 1372856), (32, 686428), (64, 343214), (71, 309376), (128, 171607), (142, 154688), (284, 77344), (568, 38672), (1136, 19336), (2272, 9668), (2417, 9088), (4544, 4834)]