21664084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3041}}^1$

素因数の和:3195

約数の個数: 24

約数和(自身を含む): 41140008

約数和(自身を除く): 19475924

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3041, 3562, 6082, 7124, 12164, 39533, 79066, 158132, 416617, 833234, 1666468, 5416021, 10832042, 21664084]

約数ペア:

[(1, 21664084), (2, 10832042), (4, 5416021), (13, 1666468), (26, 833234), (52, 416617), (137, 158132), (274, 79066), (548, 39533), (1781, 12164), (3041, 7124), (3562, 6082)]