21807842

素因数分解:

$2^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{1153}}^1$

素因数の和:1362

約数の個数: 24

約数和(自身を含む): 38282796

約数和(自身を除く): 16474954

約数列:

[1, 2, 7, 14, 49, 98, 193, 386, 1153, 1351, 2306, 2702, 8071, 9457, 16142, 18914, 56497, 112994, 222529, 445058, 1557703, 3115406, 10903921, 21807842]

約数ペア:

[(1, 21807842), (2, 10903921), (7, 3115406), (14, 1557703), (49, 445058), (98, 222529), (193, 112994), (386, 56497), (1153, 18914), (1351, 16142), (2306, 9457), (2702, 8071)]