21897459

素因数分解:

$3^5\times {\mathrm{97}}^1\times {\mathrm{929}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 33174960

約数和(自身を除く): 11277501

約数列:

[1, 3, 9, 27, 81, 97, 243, 291, 873, 929, 2619, 2787, 7857, 8361, 23571, 25083, 75249, 90113, 225747, 270339, 811017, 2433051, 7299153, 21897459]

約数ペア:

[(1, 21897459), (3, 7299153), (9, 2433051), (27, 811017), (81, 270339), (97, 225747), (243, 90113), (291, 75249), (873, 25083), (929, 23571), (2619, 8361), (2787, 7857)]