21001233

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6301}}^1$

素因数の和:6416

約数の個数: 16

約数和(自身を含む): 30854592

約数和(自身を除く): 9853359

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 6301, 18903, 69311, 207933, 636401, 1909203, 7000411, 21001233]

約数ペア:

[(1, 21001233), (3, 7000411), (11, 1909203), (33, 636401), (101, 207933), (303, 69311), (1111, 18903), (3333, 6301)]