21882913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 24796800

約数和(自身を除く): 2913887

約数列:

[1, 13, 23, 163, 299, 449, 2119, 3749, 5837, 10327, 48737, 73187, 134251, 951431, 1683301, 21882913]

約数ペア:

[(1, 21882913), (13, 1683301), (23, 951431), (163, 134251), (299, 73187), (449, 48737), (2119, 10327), (3749, 5837)]