21286924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1367}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 18357716

約数列:

[1, 2, 4, 17, 34, 68, 229, 458, 916, 1367, 2734, 3893, 5468, 7786, 15572, 23239, 46478, 92956, 313043, 626086, 1252172, 5321731, 10643462, 21286924]

約数ペア:

[(1, 21286924), (2, 10643462), (4, 5321731), (17, 1252172), (34, 626086), (68, 313043), (229, 92956), (458, 46478), (916, 23239), (1367, 15572), (2734, 7786), (3893, 5468)]