21836774870

素因数分解:

$2^1\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{991229}}^1$

素因数の和:993439

約数の個数: 16

約数和(自身を含む): 39324076560

約数和(自身を除く): 17487301690

約数列:

[1, 2, 5, 10, 2203, 4406, 11015, 22030, 991229, 1982458, 4956145, 9912290, 2183677487, 4367354974, 10918387435, 21836774870]

約数ペア:

[(1, 21836774870), (2, 10918387435), (5, 4367354974), (10, 2183677487), (2203, 9912290), (4406, 4956145), (11015, 1982458), (22030, 991229)]