21276051

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{701}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 29023488

約数和(自身を除く): 7747437

約数列:

[1, 3, 67, 151, 201, 453, 701, 2103, 10117, 30351, 46967, 105851, 140901, 317553, 7092017, 21276051]

約数ペア:

[(1, 21276051), (3, 7092017), (67, 317553), (151, 140901), (201, 105851), (453, 46967), (701, 30351), (2103, 10117)]