21000983940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{25303}}^1$

素因数の和:25403

約数の個数: 192

約数和(自身を含む): 68867366400

約数和(自身を除く): 47866382460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 53, 54, 58, 60, 87, 90, 106, 108, 116, 135, 145, 159, 174, 180, 212, 261, 265, 270, 290, 318, 348, 435, 477, 522, 530, 540, 580, 636, 783, 795, 870, 954, 1044, 1060, 1305, 1431, 1537, 1566, 1590, 1740, 1908, 2385, 2610, 2862, 3074, 3132, 3180, 3915, 4611, 4770, 5220, 5724, 6148, 7155, 7685, 7830, 9222, 9540, 13833, 14310, 15370, 15660, 18444, 23055, 25303, 27666, 28620, 30740, 41499, 46110, 50606, 55332, 69165, 75909, 82998, 92220, 101212, 126515, 138330, 151818, 165996, 207495, 227727, 253030, 276660, 303636, 379545, 414990, 455454, 506060, 683181, 733787, 759090, 829980, 910908, 1138635, 1341059, 1366362, 1467574, 1518180, 2201361, 2277270, 2682118, 2732724, 2935148, 3415905, 3668935, 4023177, 4402722, 4554540, 5364236, 6604083, 6705295, 6831810, 7337870, 8046354, 8805444, 11006805, 12069531, 13208166, 13410590, 13663620, 14675740, 16092708, 19812249, 20115885, 22013610, 24139062, 26416332, 26821180, 33020415, 36208593, 38890711, 39624498, 40231770, 44027220, 48278124, 60347655, 66040830, 72417186, 77781422, 79248996, 80463540, 99061245, 116672133, 120695310, 132081660, 144834372, 155562844, 181042965, 194453555, 198122490, 233344266, 241390620, 350016399, 362085930, 388907110, 396244980, 466688532, 583360665, 700032798, 724171860, 777814220, 1050049197, 1166721330, 1400065596, 1750081995, 2100098394, 2333442660, 3500163990, 4200196788, 5250245985, 7000327980, 10500491970, 21000983940]

約数ペア:

[(1, 21000983940), (2, 10500491970), (3, 7000327980), (4, 5250245985), (5, 4200196788), (6, 3500163990), (9, 2333442660), (10, 2100098394), (12, 1750081995), (15, 1400065596), (18, 1166721330), (20, 1050049197), (27, 777814220), (29, 724171860), (30, 700032798), (36, 583360665), (45, 466688532), (53, 396244980), (54, 388907110), (58, 362085930), (60, 350016399), (87, 241390620), (90, 233344266), (106, 198122490), (108, 194453555), (116, 181042965), (135, 155562844), (145, 144834372), (159, 132081660), (174, 120695310), (180, 116672133), (212, 99061245), (261, 80463540), (265, 79248996), (270, 77781422), (290, 72417186), (318, 66040830), (348, 60347655), (435, 48278124), (477, 44027220), (522, 40231770), (530, 39624498), (540, 38890711), (580, 36208593), (636, 33020415), (783, 26821180), (795, 26416332), (870, 24139062), (954, 22013610), (1044, 20115885), (1060, 19812249), (1305, 16092708), (1431, 14675740), (1537, 13663620), (1566, 13410590), (1590, 13208166), (1740, 12069531), (1908, 11006805), (2385, 8805444), (2610, 8046354), (2862, 7337870), (3074, 6831810), (3132, 6705295), (3180, 6604083), (3915, 5364236), (4611, 4554540), (4770, 4402722), (5220, 4023177), (5724, 3668935), (6148, 3415905), (7155, 2935148), (7685, 2732724), (7830, 2682118), (9222, 2277270), (9540, 2201361), (13833, 1518180), (14310, 1467574), (15370, 1366362), (15660, 1341059), (18444, 1138635), (23055, 910908), (25303, 829980), (27666, 759090), (28620, 733787), (30740, 683181), (41499, 506060), (46110, 455454), (50606, 414990), (55332, 379545), (69165, 303636), (75909, 276660), (82998, 253030), (92220, 227727), (101212, 207495), (126515, 165996), (138330, 151818)]