21950361

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2273}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 33700680

約数和(自身を除く): 11750319

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 2273, 3219, 6819, 9657, 20457, 65917, 84101, 197751, 252303, 593253, 756909, 2438929, 7316787, 21950361]

約数ペア:

[(1, 21950361), (3, 7316787), (9, 2438929), (29, 756909), (37, 593253), (87, 252303), (111, 197751), (261, 84101), (333, 65917), (1073, 20457), (2273, 9657), (3219, 6819)]