21205134

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{8599}}^1$

素因数の和:8744

約数の個数: 24

約数和(自身を含む): 46285200

約数和(自身を除く): 25080066

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 8599, 17198, 25797, 51594, 77391, 154782, 1178063, 2356126, 3534189, 7068378, 10602567, 21205134]

約数ペア:

[(1, 21205134), (2, 10602567), (3, 7068378), (6, 3534189), (9, 2356126), (18, 1178063), (137, 154782), (274, 77391), (411, 51594), (822, 25797), (1233, 17198), (2466, 8599)]