21413379

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9001}}^1$

素因数の和:9078

約数の個数: 16

約数和(自身を含む): 31254944

約数和(自身を除く): 9841565

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 9001, 27003, 117013, 351039, 549061, 1647183, 7137793, 21413379]

約数ペア:

[(1, 21413379), (3, 7137793), (13, 1647183), (39, 549061), (61, 351039), (183, 117013), (793, 27003), (2379, 9001)]