20210964515

素因数分解:

$5^1\times 7^1\times {\mathrm{7129}}^1\times {\mathrm{81001}}^1$

素因数の和:88142

約数の個数: 16

約数和(自身を含む): 27722124480

約数和(自身を除く): 7511159965

約数列:

[1, 5, 7, 35, 7129, 35645, 49903, 81001, 249515, 405005, 567007, 2835035, 577456129, 2887280645, 4042192903, 20210964515]

約数ペア:

[(1, 20210964515), (5, 4042192903), (7, 2887280645), (35, 577456129), (7129, 2835035), (35645, 567007), (49903, 405005), (81001, 249515)]