21939495

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4703}}^1$

素因数の和:5022

約数の個数: 16

約数和(自身を含む): 35223552

約数和(自身を除く): 13284057

約数列:

[1, 3, 5, 15, 311, 933, 1555, 4665, 4703, 14109, 23515, 70545, 1462633, 4387899, 7313165, 21939495]

約数ペア:

[(1, 21939495), (3, 7313165), (5, 4387899), (15, 1462633), (311, 70545), (933, 23515), (1555, 14109), (4665, 4703)]