21387474

素因数分解:

$2^1\times 3^2\times {\mathrm{733}}^1\times {\mathrm{1621}}^1$

素因数の和:2362

約数の個数: 24

約数和(自身を含む): 46431372

約数和(自身を除く): 25043898

約数列:

[1, 2, 3, 6, 9, 18, 733, 1466, 1621, 2199, 3242, 4398, 4863, 6597, 9726, 13194, 14589, 29178, 1188193, 2376386, 3564579, 7129158, 10693737, 21387474]

約数ペア:

[(1, 21387474), (2, 10693737), (3, 7129158), (6, 3564579), (9, 2376386), (18, 1188193), (733, 29178), (1466, 14589), (1621, 13194), (2199, 9726), (3242, 6597), (4398, 4863)]