21552938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12401}}^1$

素因数の和:12493

約数の個数: 16

約数和(自身を含む): 35717760

約数和(自身を除く): 14164822

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12401, 24802, 136411, 272822, 979679, 1959358, 10776469, 21552938]

約数ペア:

[(1, 21552938), (2, 10776469), (11, 1959358), (22, 979679), (79, 272822), (158, 136411), (869, 24802), (1738, 12401)]