21572312

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{10253}}^1$

素因数の和:10522

約数の個数: 16

約数和(自身を含む): 40605840

約数和(自身を除く): 19033528

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 10253, 20506, 41012, 82024, 2696539, 5393078, 10786156, 21572312]

約数ペア:

[(1, 21572312), (2, 10786156), (4, 5393078), (8, 2696539), (263, 82024), (526, 41012), (1052, 20506), (2104, 10253)]