21945744

素因数分解:

$2^4\times 3^2\times {\mathrm{257}}^1\times {\mathrm{593}}^1$

素因数の和:864

約数の個数: 60

約数和(自身を含む): 61760556

約数和(自身を除く): 39814812

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 257, 514, 593, 771, 1028, 1186, 1542, 1779, 2056, 2313, 2372, 3084, 3558, 4112, 4626, 4744, 5337, 6168, 7116, 9252, 9488, 10674, 12336, 14232, 18504, 21348, 28464, 37008, 42696, 85392, 152401, 304802, 457203, 609604, 914406, 1219208, 1371609, 1828812, 2438416, 2743218, 3657624, 5486436, 7315248, 10972872, 21945744]

約数ペア:

[(1, 21945744), (2, 10972872), (3, 7315248), (4, 5486436), (6, 3657624), (8, 2743218), (9, 2438416), (12, 1828812), (16, 1371609), (18, 1219208), (24, 914406), (36, 609604), (48, 457203), (72, 304802), (144, 152401), (257, 85392), (514, 42696), (593, 37008), (771, 28464), (1028, 21348), (1186, 18504), (1542, 14232), (1779, 12336), (2056, 10674), (2313, 9488), (2372, 9252), (3084, 7116), (3558, 6168), (4112, 5337), (4626, 4744)]