21251054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56821}}^1$

素因数の和:56851

約数の個数: 16

約数和(自身を含む): 36820656

約数和(自身を除く): 15569602

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56821, 113642, 625031, 965957, 1250062, 1931914, 10625527, 21251054]

約数ペア:

[(1, 21251054), (2, 10625527), (11, 1931914), (17, 1250062), (22, 965957), (34, 625031), (187, 113642), (374, 56821)]