21132655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 26863200

約数和(自身を除く): 5730545

約数列:

[1, 5, 19, 95, 181, 905, 1229, 3439, 6145, 17195, 23351, 116755, 222449, 1112245, 4226531, 21132655]

約数ペア:

[(1, 21132655), (5, 4226531), (19, 1112245), (95, 222449), (181, 116755), (905, 23351), (1229, 17195), (3439, 6145)]