21799708

素因数分解:

$2^2\times 7^3\times {\mathrm{15889}}^1$

素因数の和:15914

約数の個数: 24

約数和(自身を含む): 44492000

約数和(自身を除く): 22692292

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15889, 31778, 63556, 111223, 222446, 444892, 778561, 1557122, 3114244, 5449927, 10899854, 21799708]

約数ペア:

[(1, 21799708), (2, 10899854), (4, 5449927), (7, 3114244), (14, 1557122), (28, 778561), (49, 444892), (98, 222446), (196, 111223), (343, 63556), (686, 31778), (1372, 15889)]