21859244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4643}}^1$

素因数の和:4765

約数の個数: 24

約数和(自身を含む): 42130368

約数和(自身を除く): 20271124

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4643, 4708, 9286, 18572, 51073, 102146, 204292, 496801, 993602, 1987204, 5464811, 10929622, 21859244]

約数ペア:

[(1, 21859244), (2, 10929622), (4, 5464811), (11, 1987204), (22, 993602), (44, 496801), (107, 204292), (214, 102146), (428, 51073), (1177, 18572), (2354, 9286), (4643, 4708)]