21946678

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2296

約数の個数: 24

約数和(自身を含む): 36892800

約数和(自身を除く): 14946122

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 2239, 4478, 4901, 9802, 29107, 58214, 64931, 129862, 378391, 756782, 844103, 1688206, 10973339, 21946678]

約数ペア:

[(1, 21946678), (2, 10973339), (13, 1688206), (26, 844103), (29, 756782), (58, 378391), (169, 129862), (338, 64931), (377, 58214), (754, 29107), (2239, 9802), (4478, 4901)]