21508432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122207}}^1$

素因数の和:122226

約数の個数: 20

約数和(自身を含む): 45461376

約数和(自身を除く): 23952944

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122207, 244414, 488828, 977656, 1344277, 1955312, 2688554, 5377108, 10754216, 21508432]

約数ペア:

[(1, 21508432), (2, 10754216), (4, 5377108), (8, 2688554), (11, 1955312), (16, 1344277), (22, 977656), (44, 488828), (88, 244414), (176, 122207)]