21307472

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4201}}^1$

素因数の和:4526

約数の個数: 20

約数和(自身を含む): 41423316

約数和(自身を除く): 20115844

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 4201, 5072, 8402, 16804, 33608, 67216, 1331717, 2663434, 5326868, 10653736, 21307472]

約数ペア:

[(1, 21307472), (2, 10653736), (4, 5326868), (8, 2663434), (16, 1331717), (317, 67216), (634, 33608), (1268, 16804), (2536, 8402), (4201, 5072)]