21216502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{929}}^1$

素因数の和:1551

約数の個数: 16

約数和(自身を含む): 33591600

約数和(自身を除く): 12375098

約数列:

[1, 2, 19, 38, 601, 929, 1202, 1858, 11419, 17651, 22838, 35302, 558329, 1116658, 10608251, 21216502]

約数ペア:

[(1, 21216502), (2, 10608251), (19, 1116658), (38, 558329), (601, 35302), (929, 22838), (1202, 17651), (1858, 11419)]