21349244

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33151}}^1$

素因数の和:33185

約数の個数: 24

約数和(自身を含む): 44556288

約数和(自身を除く): 23207044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33151, 66302, 132604, 232057, 464114, 762473, 928228, 1524946, 3049892, 5337311, 10674622, 21349244]

約数ペア:

[(1, 21349244), (2, 10674622), (4, 5337311), (7, 3049892), (14, 1524946), (23, 928228), (28, 762473), (46, 464114), (92, 232057), (161, 132604), (322, 66302), (644, 33151)]