21123044

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5861}}^1$

素因数の和:5935

約数の個数: 24

約数和(自身を含む): 39885048

約数和(自身を除く): 18762004

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 5861, 11722, 23444, 99637, 199274, 310633, 398548, 621266, 1242532, 5280761, 10561522, 21123044]

約数ペア:

[(1, 21123044), (2, 10561522), (4, 5280761), (17, 1242532), (34, 621266), (53, 398548), (68, 310633), (106, 199274), (212, 99637), (901, 23444), (1802, 11722), (3604, 5861)]