21360744

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12899}}^1$

素因数の和:12934

約数の個数: 48

約数和(自身を含む): 60372000

約数和(自身を除く): 39011256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12899, 25798, 38697, 51596, 77394, 103192, 116091, 154788, 232182, 296677, 309576, 464364, 593354, 890031, 928728, 1186708, 1780062, 2373416, 2670093, 3560124, 5340186, 7120248, 10680372, 21360744]

約数ペア:

[(1, 21360744), (2, 10680372), (3, 7120248), (4, 5340186), (6, 3560124), (8, 2670093), (9, 2373416), (12, 1780062), (18, 1186708), (23, 928728), (24, 890031), (36, 593354), (46, 464364), (69, 309576), (72, 296677), (92, 232182), (138, 154788), (184, 116091), (207, 103192), (276, 77394), (414, 51596), (552, 38697), (828, 25798), (1656, 12899)]