21169850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32569}}^1$

素因数の和:32594

約数の個数: 24

約数和(自身を含む): 42406140

約数和(自身を除く): 21236290

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32569, 65138, 162845, 325690, 423397, 814225, 846794, 1628450, 2116985, 4233970, 10584925, 21169850]

約数ペア:

[(1, 21169850), (2, 10584925), (5, 4233970), (10, 2116985), (13, 1628450), (25, 846794), (26, 814225), (50, 423397), (65, 325690), (130, 162845), (325, 65138), (650, 32569)]