21459832

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40037}}^1$

素因数の和:40110

約数の個数: 16

約数和(自身を含む): 40838760

約数和(自身を除く): 19378928

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40037, 80074, 160148, 320296, 2682479, 5364958, 10729916, 21459832]

約数ペア:

[(1, 21459832), (2, 10729916), (4, 5364958), (8, 2682479), (67, 320296), (134, 160148), (268, 80074), (536, 40037)]