21083580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 75741120

約数和(自身を除く): 54657540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 577, 580, 609, 630, 812, 870, 1015, 1044, 1154, 1218, 1260, 1305, 1731, 1740, 1827, 2030, 2308, 2436, 2610, 2885, 3045, 3462, 3654, 4039, 4060, 5193, 5220, 5770, 6090, 6924, 7308, 8078, 8655, 9135, 10386, 11540, 12117, 12180, 16156, 16733, 17310, 18270, 20195, 20772, 24234, 25965, 33466, 34620, 36351, 36540, 40390, 48468, 50199, 51930, 60585, 66932, 72702, 80780, 83665, 100398, 103860, 117131, 121170, 145404, 150597, 167330, 181755, 200796, 234262, 242340, 250995, 301194, 334660, 351393, 363510, 468524, 501990, 585655, 602388, 702786, 727020, 752985, 1003980, 1054179, 1171310, 1405572, 1505970, 1756965, 2108358, 2342620, 3011940, 3513930, 4216716, 5270895, 7027860, 10541790, 21083580]

約数ペア:

[(1, 21083580), (2, 10541790), (3, 7027860), (4, 5270895), (5, 4216716), (6, 3513930), (7, 3011940), (9, 2342620), (10, 2108358), (12, 1756965), (14, 1505970), (15, 1405572), (18, 1171310), (20, 1054179), (21, 1003980), (28, 752985), (29, 727020), (30, 702786), (35, 602388), (36, 585655), (42, 501990), (45, 468524), (58, 363510), (60, 351393), (63, 334660), (70, 301194), (84, 250995), (87, 242340), (90, 234262), (105, 200796), (116, 181755), (126, 167330), (140, 150597), (145, 145404), (174, 121170), (180, 117131), (203, 103860), (210, 100398), (252, 83665), (261, 80780), (290, 72702), (315, 66932), (348, 60585), (406, 51930), (420, 50199), (435, 48468), (522, 40390), (577, 36540), (580, 36351), (609, 34620), (630, 33466), (812, 25965), (870, 24234), (1015, 20772), (1044, 20195), (1154, 18270), (1218, 17310), (1260, 16733), (1305, 16156), (1731, 12180), (1740, 12117), (1827, 11540), (2030, 10386), (2308, 9135), (2436, 8655), (2610, 8078), (2885, 7308), (3045, 6924), (3462, 6090), (3654, 5770), (4039, 5220), (4060, 5193)]