21250424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{204331}}^1$

素因数の和:204350

約数の個数: 16

約数和(自身を含む): 42909720

約数和(自身を除く): 21659296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 204331, 408662, 817324, 1634648, 2656303, 5312606, 10625212, 21250424]

約数ペア:

[(1, 21250424), (2, 10625212), (4, 5312606), (8, 2656303), (13, 1634648), (26, 817324), (52, 408662), (104, 204331)]