21916610

素因数分解:

$2^1\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1987}}^1$

素因数の和:3097

約数の個数: 16

約数和(自身を含む): 39505536

約数和(自身を除く): 17588926

約数列:

[1, 2, 5, 10, 1103, 1987, 2206, 3974, 5515, 9935, 11030, 19870, 2191661, 4383322, 10958305, 21916610]

約数ペア:

[(1, 21916610), (2, 10958305), (5, 4383322), (10, 2191661), (1103, 19870), (1987, 11030), (2206, 9935), (3974, 5515)]