21662828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28961}}^1$

素因数の和:28993

約数の個数: 24

約数和(自身を含む): 43790544

約数和(自身を除く): 22127716

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28961, 57922, 115844, 318571, 492337, 637142, 984674, 1274284, 1969348, 5415707, 10831414, 21662828]

約数ペア:

[(1, 21662828), (2, 10831414), (4, 5415707), (11, 1969348), (17, 1274284), (22, 984674), (34, 637142), (44, 492337), (68, 318571), (187, 115844), (374, 57922), (748, 28961)]