21089874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2129}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 45803520

約数和(自身を除く): 24713646

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 762, 1651, 2129, 3302, 4258, 4953, 6387, 9906, 12774, 27677, 55354, 83031, 166062, 270383, 540766, 811149, 1622298, 3514979, 7029958, 10544937, 21089874]

約数ペア:

[(1, 21089874), (2, 10544937), (3, 7029958), (6, 3514979), (13, 1622298), (26, 811149), (39, 540766), (78, 270383), (127, 166062), (254, 83031), (381, 55354), (762, 27677), (1651, 12774), (2129, 9906), (3302, 6387), (4258, 4953)]