21091192

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8423}}^1$

素因数の和:8742

約数の個数: 16

約数和(自身を含む): 39677040

約数和(自身を除く): 18585848

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8423, 16846, 33692, 67384, 2636399, 5272798, 10545596, 21091192]

約数ペア:

[(1, 21091192), (2, 10545596), (4, 5272798), (8, 2636399), (313, 67384), (626, 33692), (1252, 16846), (2504, 8423)]