21952441

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 26593920

約数和(自身を除く): 4641479

約数列:

[1, 7, 49, 53, 79, 107, 371, 553, 749, 2597, 3871, 4187, 5243, 5671, 8453, 29309, 39697, 59171, 205163, 277879, 414197, 448009, 3136063, 21952441]

約数ペア:

[(1, 21952441), (7, 3136063), (49, 448009), (53, 414197), (79, 277879), (107, 205163), (371, 59171), (553, 39697), (749, 29309), (2597, 8453), (3871, 5671), (4187, 5243)]