21501330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4397}}^1$

素因数の和:4570

約数の個数: 32

約数和(自身を含む): 51931584

約数和(自身を除く): 30430254

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4397, 4890, 8794, 13191, 21985, 26382, 43970, 65955, 131910, 716711, 1433422, 2150133, 3583555, 4300266, 7167110, 10750665, 21501330]

約数ペア:

[(1, 21501330), (2, 10750665), (3, 7167110), (5, 4300266), (6, 3583555), (10, 2150133), (15, 1433422), (30, 716711), (163, 131910), (326, 65955), (489, 43970), (815, 26382), (978, 21985), (1630, 13191), (2445, 8794), (4397, 4890)]