21164062

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1069}}^1$

素因数の和:1611

約数の個数: 16

約数和(自身を含む): 33512400

約数和(自身を除く): 12348338

約数列:

[1, 2, 19, 38, 521, 1042, 1069, 2138, 9899, 19798, 20311, 40622, 556949, 1113898, 10582031, 21164062]

約数ペア:

[(1, 21164062), (2, 10582031), (19, 1113898), (38, 556949), (521, 40622), (1042, 20311), (1069, 19798), (2138, 9899)]