21031772156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3915073}}^1$

素因数の和:3915173

約数の個数: 24

約数和(自身を含む): 39463945920

約数和(自身を除く): 18432173764

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 5372, 3915073, 7830146, 15660292, 66556241, 133112482, 266224964, 309290767, 618581534, 1237163068, 5257943039, 10515886078, 21031772156]

約数ペア:

[(1, 21031772156), (2, 10515886078), (4, 5257943039), (17, 1237163068), (34, 618581534), (68, 309290767), (79, 266224964), (158, 133112482), (316, 66556241), (1343, 15660292), (2686, 7830146), (5372, 3915073)]