21855724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{8419}}^1$

素因数の和:8493

約数の個数: 24

約数和(自身を含む): 42436800

約数和(自身を除く): 20581076

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 8419, 16838, 33676, 92609, 185218, 370436, 496721, 993442, 1986884, 5463931, 10927862, 21855724]

約数ペア:

[(1, 21855724), (2, 10927862), (4, 5463931), (11, 1986884), (22, 993442), (44, 496721), (59, 370436), (118, 185218), (236, 92609), (649, 33676), (1298, 16838), (2596, 8419)]