21899880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 71884800

約数和(自身を除く): 49984920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 127, 180, 254, 360, 381, 479, 508, 635, 762, 958, 1016, 1143, 1270, 1437, 1524, 1905, 1916, 2286, 2395, 2540, 2874, 3048, 3810, 3832, 4311, 4572, 4790, 5080, 5715, 5748, 7185, 7620, 8622, 9144, 9580, 11430, 11496, 14370, 15240, 17244, 19160, 21555, 22860, 28740, 34488, 43110, 45720, 57480, 60833, 86220, 121666, 172440, 182499, 243332, 304165, 364998, 486664, 547497, 608330, 729996, 912495, 1094994, 1216660, 1459992, 1824990, 2189988, 2433320, 2737485, 3649980, 4379976, 5474970, 7299960, 10949940, 21899880]

約数ペア:

[(1, 21899880), (2, 10949940), (3, 7299960), (4, 5474970), (5, 4379976), (6, 3649980), (8, 2737485), (9, 2433320), (10, 2189988), (12, 1824990), (15, 1459992), (18, 1216660), (20, 1094994), (24, 912495), (30, 729996), (36, 608330), (40, 547497), (45, 486664), (60, 364998), (72, 304165), (90, 243332), (120, 182499), (127, 172440), (180, 121666), (254, 86220), (360, 60833), (381, 57480), (479, 45720), (508, 43110), (635, 34488), (762, 28740), (958, 22860), (1016, 21555), (1143, 19160), (1270, 17244), (1437, 15240), (1524, 14370), (1905, 11496), (1916, 11430), (2286, 9580), (2395, 9144), (2540, 8622), (2874, 7620), (3048, 7185), (3810, 5748), (3832, 5715), (4311, 5080), (4572, 4790)]