21228804

素因数分解:

$2^2\times 3^4\times {\mathrm{65521}}^1$

素因数の和:65537

約数の個数: 30

約数和(自身を含む): 55497134

約数和(自身を除く): 34268330

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65521, 131042, 196563, 262084, 393126, 589689, 786252, 1179378, 1769067, 2358756, 3538134, 5307201, 7076268, 10614402, 21228804]

約数ペア:

[(1, 21228804), (2, 10614402), (3, 7076268), (4, 5307201), (6, 3538134), (9, 2358756), (12, 1769067), (18, 1179378), (27, 786252), (36, 589689), (54, 393126), (81, 262084), (108, 196563), (162, 131042), (324, 65521)]