21504660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:785

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44539500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 727, 870, 986, 1020, 1454, 1479, 1740, 1972, 2181, 2465, 2908, 2958, 3635, 4362, 4930, 5916, 7270, 7395, 8724, 9860, 10905, 12359, 14540, 14790, 21083, 21810, 24718, 29580, 37077, 42166, 43620, 49436, 61795, 63249, 74154, 84332, 105415, 123590, 126498, 148308, 185385, 210830, 247180, 252996, 316245, 358411, 370770, 421660, 632490, 716822, 741540, 1075233, 1264980, 1433644, 1792055, 2150466, 3584110, 4300932, 5376165, 7168220, 10752330, 21504660]

約数ペア:

[(1, 21504660), (2, 10752330), (3, 7168220), (4, 5376165), (5, 4300932), (6, 3584110), (10, 2150466), (12, 1792055), (15, 1433644), (17, 1264980), (20, 1075233), (29, 741540), (30, 716822), (34, 632490), (51, 421660), (58, 370770), (60, 358411), (68, 316245), (85, 252996), (87, 247180), (102, 210830), (116, 185385), (145, 148308), (170, 126498), (174, 123590), (204, 105415), (255, 84332), (290, 74154), (340, 63249), (348, 61795), (435, 49436), (493, 43620), (510, 42166), (580, 37077), (727, 29580), (870, 24718), (986, 21810), (1020, 21083), (1454, 14790), (1479, 14540), (1740, 12359), (1972, 10905), (2181, 9860), (2465, 8724), (2908, 7395), (2958, 7270), (3635, 5916), (4362, 4930)]