21017156912

素因数分解:

$2^4\times {\mathrm{1129}}^1\times {\mathrm{1163483}}^1$

素因数の和:1164620

約数の個数: 20

約数和(自身を含む): 40756844520

約数和(自身を除く): 19739687608

約数列:

[1, 2, 4, 8, 16, 1129, 2258, 4516, 9032, 18064, 1163483, 2326966, 4653932, 9307864, 18615728, 1313572307, 2627144614, 5254289228, 10508578456, 21017156912]

約数ペア:

[(1, 21017156912), (2, 10508578456), (4, 5254289228), (8, 2627144614), (16, 1313572307), (1129, 18615728), (2258, 9307864), (4516, 4653932), (9032, 2326966), (18064, 1163483)]