21819850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33569}}^1$

素因数の和:33594

約数の個数: 24

約数和(自身を含む): 43708140

約数和(自身を除く): 21888290

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33569, 67138, 167845, 335690, 436397, 839225, 872794, 1678450, 2181985, 4363970, 10909925, 21819850]

約数ペア:

[(1, 21819850), (2, 10909925), (5, 4363970), (10, 2181985), (13, 1678450), (25, 872794), (26, 839225), (50, 436397), (65, 335690), (130, 167845), (325, 67138), (650, 33569)]