21884280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 73094400

約数和(自身を除く): 51210120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 59, 60, 66, 88, 110, 118, 120, 132, 165, 177, 220, 236, 264, 281, 295, 330, 354, 440, 472, 562, 590, 649, 660, 708, 843, 885, 1124, 1180, 1298, 1320, 1405, 1416, 1686, 1770, 1947, 2248, 2360, 2596, 2810, 3091, 3245, 3372, 3540, 3894, 4215, 5192, 5620, 6182, 6490, 6744, 7080, 7788, 8430, 9273, 9735, 11240, 12364, 12980, 15455, 15576, 16579, 16860, 18546, 19470, 24728, 25960, 30910, 33158, 33720, 37092, 38940, 46365, 49737, 61820, 66316, 74184, 77880, 82895, 92730, 99474, 123640, 132632, 165790, 182369, 185460, 198948, 248685, 331580, 364738, 370920, 397896, 497370, 547107, 663160, 729476, 911845, 994740, 1094214, 1458952, 1823690, 1989480, 2188428, 2735535, 3647380, 4376856, 5471070, 7294760, 10942140, 21884280]

約数ペア:

[(1, 21884280), (2, 10942140), (3, 7294760), (4, 5471070), (5, 4376856), (6, 3647380), (8, 2735535), (10, 2188428), (11, 1989480), (12, 1823690), (15, 1458952), (20, 1094214), (22, 994740), (24, 911845), (30, 729476), (33, 663160), (40, 547107), (44, 497370), (55, 397896), (59, 370920), (60, 364738), (66, 331580), (88, 248685), (110, 198948), (118, 185460), (120, 182369), (132, 165790), (165, 132632), (177, 123640), (220, 99474), (236, 92730), (264, 82895), (281, 77880), (295, 74184), (330, 66316), (354, 61820), (440, 49737), (472, 46365), (562, 38940), (590, 37092), (649, 33720), (660, 33158), (708, 30910), (843, 25960), (885, 24728), (1124, 19470), (1180, 18546), (1298, 16860), (1320, 16579), (1405, 15576), (1416, 15455), (1686, 12980), (1770, 12364), (1947, 11240), (2248, 9735), (2360, 9273), (2596, 8430), (2810, 7788), (3091, 7080), (3245, 6744), (3372, 6490), (3540, 6182), (3894, 5620), (4215, 5192)]