21045366

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6389}}^1$

素因数の和:6461

約数の個数: 32

約数和(自身を含む): 47541600

約数和(自身を除く): 26496234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6389, 12778, 19167, 38334, 57501, 115002, 172503, 345006, 389729, 779458, 1169187, 2338374, 3507561, 7015122, 10522683, 21045366]

約数ペア:

[(1, 21045366), (2, 10522683), (3, 7015122), (6, 3507561), (9, 2338374), (18, 1169187), (27, 779458), (54, 389729), (61, 345006), (122, 172503), (183, 115002), (366, 57501), (549, 38334), (1098, 19167), (1647, 12778), (3294, 6389)]