21658748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1367}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 40334112

約数和(自身を除く): 18675364

約数列:

[1, 2, 4, 17, 34, 68, 233, 466, 932, 1367, 2734, 3961, 5468, 7922, 15844, 23239, 46478, 92956, 318511, 637022, 1274044, 5414687, 10829374, 21658748]

約数ペア:

[(1, 21658748), (2, 10829374), (4, 5414687), (17, 1274044), (34, 637022), (68, 318511), (233, 92956), (466, 46478), (932, 23239), (1367, 15844), (2734, 7922), (3961, 5468)]