21501832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244339}}^1$

素因数の和:244356

約数の個数: 16

約数和(自身を含む): 43981200

約数和(自身を除く): 22479368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244339, 488678, 977356, 1954712, 2687729, 5375458, 10750916, 21501832]

約数ペア:

[(1, 21501832), (2, 10750916), (4, 5375458), (8, 2687729), (11, 1954712), (22, 977356), (44, 488678), (88, 244339)]