21719659

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4273}}^1$

素因数の和:4326

約数の個数: 16

約数和(自身を含む): 25849152

約数和(自身を除く): 4129493

約数列:

[1, 13, 17, 23, 221, 299, 391, 4273, 5083, 55549, 72641, 98279, 944333, 1277627, 1670743, 21719659]

約数ペア:

[(1, 21719659), (13, 1670743), (17, 1277627), (23, 944333), (221, 98279), (299, 72641), (391, 55549), (4273, 5083)]