21606819

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 32852160

約数和(自身を除く): 11245341

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 2243, 3211, 6729, 9633, 29159, 42617, 87477, 127851, 379067, 554021, 1137201, 1662063, 7202273, 21606819]

約数ペア:

[(1, 21606819), (3, 7202273), (13, 1662063), (19, 1137201), (39, 554021), (57, 379067), (169, 127851), (247, 87477), (507, 42617), (741, 29159), (2243, 9633), (3211, 6729)]