21163967

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{773}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 24520320

約数和(自身を除く): 3356353

約数列:

[1, 11, 19, 131, 209, 773, 1441, 2489, 8503, 14687, 27379, 101263, 161557, 1113893, 1923997, 21163967]

約数ペア:

[(1, 21163967), (11, 1923997), (19, 1113893), (131, 161557), (209, 101263), (773, 27379), (1441, 14687), (2489, 8503)]