21008026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5351}}^1$

素因数の和:5517

約数の個数: 16

約数和(自身を含む): 34167168

約数和(自身を除く): 13159142

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5351, 10702, 69563, 139126, 808001, 1616002, 10504013, 21008026]

約数ペア:

[(1, 21008026), (2, 10504013), (13, 1616002), (26, 808001), (151, 139126), (302, 69563), (1963, 10702), (3926, 5351)]