21000679030

素因数分解:

$2^1\times 5^1\times {\mathrm{8933}}^1\times {\mathrm{235091}}^1$

素因数の和:244031

約数の個数: 16

約数和(自身を含む): 37805614704

約数和(自身を除く): 16804935674

約数列:

[1, 2, 5, 10, 8933, 17866, 44665, 89330, 235091, 470182, 1175455, 2350910, 2100067903, 4200135806, 10500339515, 21000679030]

約数ペア:

[(1, 21000679030), (2, 10500339515), (5, 4200135806), (10, 2100067903), (8933, 2350910), (17866, 1175455), (44665, 470182), (89330, 235091)]