21136219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1621}}^1$

素因数の和:1710

約数の個数: 16

約数和(自身を含む): 24524640

約数和(自身を除く): 3388421

約数列:

[1, 13, 17, 59, 221, 767, 1003, 1621, 13039, 21073, 27557, 95639, 358241, 1243307, 1625863, 21136219]

約数ペア:

[(1, 21136219), (13, 1625863), (17, 1243307), (59, 358241), (221, 95639), (767, 27557), (1003, 21073), (1621, 13039)]