21806628

素因数分解:

$2^2\times 3^1\times {\mathrm{541}}^1\times {\mathrm{3359}}^1$

素因数の和:3907

約数の個数: 24

約数和(自身を含む): 50991360

約数和(自身を除く): 29184732

約数列:

[1, 2, 3, 4, 6, 12, 541, 1082, 1623, 2164, 3246, 3359, 6492, 6718, 10077, 13436, 20154, 40308, 1817219, 3634438, 5451657, 7268876, 10903314, 21806628]

約数ペア:

[(1, 21806628), (2, 10903314), (3, 7268876), (4, 5451657), (6, 3634438), (12, 1817219), (541, 40308), (1082, 20154), (1623, 13436), (2164, 10077), (3246, 6718), (3359, 6492)]