22139210

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5521}}^1$

素因数の和:5929

約数の個数: 16

約数和(自身を含む): 39957192

約数和(自身を除く): 17817982

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 5521, 11042, 27605, 55210, 2213921, 4427842, 11069605, 22139210]

約数ペア:

[(1, 22139210), (2, 11069605), (5, 4427842), (10, 2213921), (401, 55210), (802, 27605), (2005, 11042), (4010, 5521)]