21381698

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4261}}^1$

素因数の和:4469

約数の個数: 16

約数和(自身を含む): 34726776

約数和(自身を除く): 13345078

約数列:

[1, 2, 13, 26, 193, 386, 2509, 4261, 5018, 8522, 55393, 110786, 822373, 1644746, 10690849, 21381698]

約数ペア:

[(1, 21381698), (2, 10690849), (13, 1644746), (26, 822373), (193, 110786), (386, 55393), (2509, 8522), (4261, 5018)]