21088851

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{8887}}^1$

素因数の和:9010

約数の個数: 16

約数和(自身を含む): 32423424

約数和(自身を除く): 11334573

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 8887, 26661, 62209, 186627, 1004231, 3012693, 7029617, 21088851]

約数ペア:

[(1, 21088851), (3, 7029617), (7, 3012693), (21, 1004231), (113, 186627), (339, 62209), (791, 26661), (2373, 8887)]