21565033

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 25171200

約数和(自身を除く): 3606167

約数列:

[1, 7, 113, 137, 199, 791, 959, 1393, 15481, 22487, 27263, 108367, 157409, 190841, 3080719, 21565033]

約数ペア:

[(1, 21565033), (7, 3080719), (113, 190841), (137, 157409), (199, 108367), (791, 27263), (959, 22487), (1393, 15481)]