20212535

素因数分解:

$5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2131}}^1$

素因数の和:2414

約数の個数: 16

約数和(自身を含む): 27835392

約数和(自身を除く): 7622857

約数列:

[1, 5, 7, 35, 271, 1355, 1897, 2131, 9485, 10655, 14917, 74585, 577501, 2887505, 4042507, 20212535]

約数ペア:

[(1, 20212535), (5, 4042507), (7, 2887505), (35, 577501), (271, 74585), (1355, 14917), (1897, 10655), (2131, 9485)]