21236338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3701}}^1$

素因数の和:3873

約数の個数: 16

約数和(自身を含む): 33762240

約数和(自身を除く): 12525902

約数列:

[1, 2, 19, 38, 151, 302, 2869, 3701, 5738, 7402, 70319, 140638, 558851, 1117702, 10618169, 21236338]

約数ペア:

[(1, 21236338), (2, 10618169), (19, 1117702), (38, 558851), (151, 140638), (302, 70319), (2869, 7402), (3701, 5738)]