21551284

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1723}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 39100320

約数和(自身を除く): 17549036

約数列:

[1, 2, 4, 53, 59, 106, 118, 212, 236, 1723, 3127, 3446, 6254, 6892, 12508, 91319, 101657, 182638, 203314, 365276, 406628, 5387821, 10775642, 21551284]

約数ペア:

[(1, 21551284), (2, 10775642), (4, 5387821), (53, 406628), (59, 365276), (106, 203314), (118, 182638), (212, 101657), (236, 91319), (1723, 12508), (3127, 6892), (3446, 6254)]