21934120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42181}}^1$

素因数の和:42205

約数の個数: 32

約数和(自身を含む): 53149320

約数和(自身を除く): 31215200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 42181, 84362, 168724, 210905, 337448, 421810, 548353, 843620, 1096706, 1687240, 2193412, 2741765, 4386824, 5483530, 10967060, 21934120]

約数ペア:

[(1, 21934120), (2, 10967060), (4, 5483530), (5, 4386824), (8, 2741765), (10, 2193412), (13, 1687240), (20, 1096706), (26, 843620), (40, 548353), (52, 421810), (65, 337448), (104, 210905), (130, 168724), (260, 84362), (520, 42181)]