21743724

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42139}}^1$

素因数の和:42189

約数の個数: 24

約数和(自身を含む): 51916480

約数和(自身を除く): 30172756

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42139, 84278, 126417, 168556, 252834, 505668, 1811977, 3623954, 5435931, 7247908, 10871862, 21743724]

約数ペア:

[(1, 21743724), (2, 10871862), (3, 7247908), (4, 5435931), (6, 3623954), (12, 1811977), (43, 505668), (86, 252834), (129, 168556), (172, 126417), (258, 84278), (516, 42139)]