21263632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{102229}}^1$

素因数の和:102250

約数の個数: 20

約数和(自身を含む): 44367820

約数和(自身を除く): 23104188

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 102229, 204458, 408916, 817832, 1328977, 1635664, 2657954, 5315908, 10631816, 21263632]

約数ペア:

[(1, 21263632), (2, 10631816), (4, 5315908), (8, 2657954), (13, 1635664), (16, 1328977), (26, 817832), (52, 408916), (104, 204458), (208, 102229)]