21237964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28393}}^1$

素因数の和:28425

約数の個数: 24

約数和(自身を含む): 42931728

約数和(自身を除く): 21693764

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28393, 56786, 113572, 312323, 482681, 624646, 965362, 1249292, 1930724, 5309491, 10618982, 21237964]

約数ペア:

[(1, 21237964), (2, 10618982), (4, 5309491), (11, 1930724), (17, 1249292), (22, 965362), (34, 624646), (44, 482681), (68, 312323), (187, 113572), (374, 56786), (748, 28393)]