21456148

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33317}}^1$

素因数の和:33351

約数の個数: 24

約数和(自身を含む): 44779392

約数和(自身を除く): 23323244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33317, 66634, 133268, 233219, 466438, 766291, 932876, 1532582, 3065164, 5364037, 10728074, 21456148]

約数ペア:

[(1, 21456148), (2, 10728074), (4, 5364037), (7, 3065164), (14, 1532582), (23, 932876), (28, 766291), (46, 466438), (92, 233219), (161, 133268), (322, 66634), (644, 33317)]