21457953

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{24083}}^1$

素因数の和:24106

約数の個数: 20

約数和(自身を含む): 34969968

約数和(自身を除く): 13512015

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 24083, 72249, 216747, 264913, 650241, 794739, 1950723, 2384217, 7152651, 21457953]

約数ペア:

[(1, 21457953), (3, 7152651), (9, 2384217), (11, 1950723), (27, 794739), (33, 650241), (81, 264913), (99, 216747), (297, 72249), (891, 24083)]