21918974

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20333}}^1$

素因数の和:20360

約数の個数: 24

約数和(自身を含む): 41725368

約数和(自身を除く): 19806394

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20333, 40666, 142331, 223663, 284662, 447326, 996317, 1565641, 1992634, 3131282, 10959487, 21918974]

約数ペア:

[(1, 21918974), (2, 10959487), (7, 3131282), (11, 1992634), (14, 1565641), (22, 996317), (49, 447326), (77, 284662), (98, 223663), (154, 142331), (539, 40666), (1078, 20333)]