2021638916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{516251}}^1$

素因数の和:516355

約数の個数: 24

約数和(自身を含む): 3902865120

約数和(自身を除く): 1881226204

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 516251, 1032502, 2065004, 5678761, 11357522, 22715044, 45946339, 91892678, 183785356, 505409729, 1010819458, 2021638916]

約数ペア:

[(1, 2021638916), (2, 1010819458), (4, 505409729), (11, 183785356), (22, 91892678), (44, 45946339), (89, 22715044), (178, 11357522), (356, 5678761), (979, 2065004), (1958, 1032502), (3916, 516251)]