21403422

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27653}}^1$

素因数の和:27704

約数の個数: 24

約数和(自身を含む): 47454264

約数和(自身を除く): 26050842

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27653, 55306, 82959, 165918, 248877, 497754, 1189079, 2378158, 3567237, 7134474, 10701711, 21403422]

約数ペア:

[(1, 21403422), (2, 10701711), (3, 7134474), (6, 3567237), (9, 2378158), (18, 1189079), (43, 497754), (86, 248877), (129, 165918), (258, 82959), (387, 55306), (774, 27653)]