21882626

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2111}}^1$

素因数の和:2257

約数の個数: 16

約数和(自身を含む): 33758208

約数和(自身を除く): 11875582

約数列:

[1, 2, 71, 73, 142, 146, 2111, 4222, 5183, 10366, 149881, 154103, 299762, 308206, 10941313, 21882626]

約数ペア:

[(1, 21882626), (2, 10941313), (71, 308206), (73, 299762), (142, 154103), (146, 149881), (2111, 10366), (4222, 5183)]