21251022

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{272449}}^1$

素因数の和:272467

約数の個数: 16

約数和(自身を含む): 45771600

約数和(自身を除く): 24520578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 272449, 544898, 817347, 1634694, 3541837, 7083674, 10625511, 21251022]

約数ペア:

[(1, 21251022), (2, 10625511), (3, 7083674), (6, 3541837), (13, 1634694), (26, 817347), (39, 544898), (78, 272449)]