21261862

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{677}}^1$

素因数の和:1103

約数の個数: 16

約数和(自身を含む): 32804352

約数和(自身を除く): 11542490

約数列:

[1, 2, 41, 82, 383, 677, 766, 1354, 15703, 27757, 31406, 55514, 259291, 518582, 10630931, 21261862]

約数ペア:

[(1, 21261862), (2, 10630931), (41, 518582), (82, 259291), (383, 55514), (677, 31406), (766, 27757), (1354, 15703)]