21012330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4297}}^1$

素因数の和:4470

約数の個数: 32

約数和(自身を含む): 50750784

約数和(自身を除く): 29738454

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4297, 4890, 8594, 12891, 21485, 25782, 42970, 64455, 128910, 700411, 1400822, 2101233, 3502055, 4202466, 7004110, 10506165, 21012330]

約数ペア:

[(1, 21012330), (2, 10506165), (3, 7004110), (5, 4202466), (6, 3502055), (10, 2101233), (15, 1400822), (30, 700411), (163, 128910), (326, 64455), (489, 42970), (815, 25782), (978, 21485), (1630, 12891), (2445, 8594), (4297, 4890)]