2021170090

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{519581}}^1$

素因数の和:519977

約数の個数: 16

約数和(自身を含む): 3647465640

約数和(自身を除く): 1626295550

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 519581, 1039162, 2597905, 5195810, 202117009, 404234018, 1010585045, 2021170090]

約数ペア:

[(1, 2021170090), (2, 1010585045), (5, 404234018), (10, 202117009), (389, 5195810), (778, 2597905), (1945, 1039162), (3890, 519581)]