21742604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{907}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 41110608

約数和(自身を除く): 19368004

約数列:

[1, 2, 4, 13, 26, 52, 461, 907, 922, 1814, 1844, 3628, 5993, 11791, 11986, 23582, 23972, 47164, 418127, 836254, 1672508, 5435651, 10871302, 21742604]

約数ペア:

[(1, 21742604), (2, 10871302), (4, 5435651), (13, 1672508), (26, 836254), (52, 418127), (461, 47164), (907, 23972), (922, 23582), (1814, 11986), (1844, 11791), (3628, 5993)]