21556898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23899}}^1$

素因数の和:23953

約数の個数: 16

約数和(自身を含む): 36136800

約数和(自身を除く): 14579902

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23899, 47798, 262889, 525778, 979859, 1959718, 10778449, 21556898]

約数ペア:

[(1, 21556898), (2, 10778449), (11, 1959718), (22, 979859), (41, 525778), (82, 262889), (451, 47798), (902, 23899)]