21407454

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{69959}}^1$

素因数の和:69984

約数の個数: 24

約数和(自身を含む): 49111920

約数和(自身を除く): 27704466

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 69959, 139918, 209877, 419754, 629631, 1189303, 1259262, 2378606, 3567909, 7135818, 10703727, 21407454]

約数ペア:

[(1, 21407454), (2, 10703727), (3, 7135818), (6, 3567909), (9, 2378606), (17, 1259262), (18, 1189303), (34, 629631), (51, 419754), (102, 209877), (153, 139918), (306, 69959)]