21133377

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1489}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 32541600

約数和(自身を除く): 11408223

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1489, 1577, 4467, 4731, 13401, 14193, 28291, 84873, 123587, 254619, 370761, 1112283, 2348153, 7044459, 21133377]

約数ペア:

[(1, 21133377), (3, 7044459), (9, 2348153), (19, 1112283), (57, 370761), (83, 254619), (171, 123587), (249, 84873), (747, 28291), (1489, 14193), (1577, 13401), (4467, 4731)]