21770670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5297}}^1$

素因数の和:5444

約数の個数: 32

約数和(自身を含む): 52640928

約数和(自身を除く): 30870258

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 5297, 10594, 15891, 26485, 31782, 52970, 79455, 158910, 725689, 1451378, 2177067, 3628445, 4354134, 7256890, 10885335, 21770670]

約数ペア:

[(1, 21770670), (2, 10885335), (3, 7256890), (5, 4354134), (6, 3628445), (10, 2177067), (15, 1451378), (30, 725689), (137, 158910), (274, 79455), (411, 52970), (685, 31782), (822, 26485), (1370, 15891), (2055, 10594), (4110, 5297)]