21794188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3917}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 41468112

約数和(自身を除く): 19673924

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3917, 5564, 7834, 15668, 50921, 101842, 203684, 419119, 838238, 1676476, 5448547, 10897094, 21794188]

約数ペア:

[(1, 21794188), (2, 10897094), (4, 5448547), (13, 1676476), (26, 838238), (52, 419119), (107, 203684), (214, 101842), (428, 50921), (1391, 15668), (2782, 7834), (3917, 5564)]