21501458

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3863}}^1$

素因数の和:3910

約数の個数: 24

約数和(自身を含む): 37001664

約数和(自身を除く): 15500206

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3863, 5566, 7726, 42493, 84986, 88849, 177698, 467423, 934846, 977339, 1954678, 10750729, 21501458]

約数ペア:

[(1, 21501458), (2, 10750729), (11, 1954678), (22, 977339), (23, 934846), (46, 467423), (121, 177698), (242, 88849), (253, 84986), (506, 42493), (2783, 7726), (3863, 5566)]