21060578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 18614302

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 163, 326, 839, 1141, 1678, 1793, 2282, 3586, 5873, 9229, 11746, 12551, 18458, 25102, 64603, 129206, 136757, 273514, 957299, 1504327, 1914598, 3008654, 10530289, 21060578]

約数ペア:

[(1, 21060578), (2, 10530289), (7, 3008654), (11, 1914598), (14, 1504327), (22, 957299), (77, 273514), (154, 136757), (163, 129206), (326, 64603), (839, 25102), (1141, 18458), (1678, 12551), (1793, 11746), (2282, 9229), (3586, 5873)]