21988926

素因数分解:

$2^1\times 3^2\times {\mathrm{709}}^1\times {\mathrm{1723}}^1$

素因数の和:2440

約数の個数: 24

約数和(自身を含む): 47737560

約数和(自身を除く): 25748634

約数列:

[1, 2, 3, 6, 9, 18, 709, 1418, 1723, 2127, 3446, 4254, 5169, 6381, 10338, 12762, 15507, 31014, 1221607, 2443214, 3664821, 7329642, 10994463, 21988926]

約数ペア:

[(1, 21988926), (2, 10994463), (3, 7329642), (6, 3664821), (9, 2443214), (18, 1221607), (709, 31014), (1418, 15507), (1723, 12762), (2127, 10338), (3446, 6381), (4254, 5169)]