2021869390

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{509287}}^1$

素因数の和:509691

約数の個数: 16

約数和(自身を含む): 3648539232

約数和(自身を除く): 1626669842

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 509287, 1018574, 2546435, 5092870, 202186939, 404373878, 1010934695, 2021869390]

約数ペア:

[(1, 2021869390), (2, 1010934695), (5, 404373878), (10, 202186939), (397, 5092870), (794, 2546435), (1985, 1018574), (3970, 509287)]