21934436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 40598880

約数和(自身を除く): 18664444

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 1123, 2246, 4492, 4883, 9766, 19532, 21337, 42674, 85348, 288611, 577222, 1154444, 5483609, 10967218, 21934436]

約数ペア:

[(1, 21934436), (2, 10967218), (4, 5483609), (19, 1154444), (38, 577222), (76, 288611), (257, 85348), (514, 42674), (1028, 21337), (1123, 19532), (2246, 9766), (4492, 4883)]