21160334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4993}}^1$

素因数の和:5171

約数の個数: 16

約数和(自身を含む): 34398672

約数和(自身を除く): 13238338

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4993, 9986, 64909, 129818, 813859, 1627718, 10580167, 21160334]

約数ペア:

[(1, 21160334), (2, 10580167), (13, 1627718), (26, 813859), (163, 129818), (326, 64909), (2119, 9986), (4238, 4993)]