21000950280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{121787}}^1$

素因数の和:122283

約数の個数: 96

約数和(自身を含む): 68396140800

約数和(自身を除く): 47395190520

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, 180, 360, 479, 958, 1437, 1916, 2395, 2874, 3832, 4311, 4790, 5748, 7185, 8622, 9580, 11496, 14370, 17244, 19160, 21555, 28740, 34488, 43110, 57480, 86220, 121787, 172440, 243574, 365361, 487148, 608935, 730722, 974296, 1096083, 1217870, 1461444, 1826805, 2192166, 2435740, 2922888, 3653610, 4384332, 4871480, 5480415, 7307220, 8768664, 10960830, 14614440, 21921660, 43843320, 58335973, 116671946, 175007919, 233343892, 291679865, 350015838, 466687784, 525023757, 583359730, 700031676, 875039595, 1050047514, 1166719460, 1400063352, 1750079190, 2100095028, 2333438920, 2625118785, 3500158380, 4200190056, 5250237570, 7000316760, 10500475140, 21000950280]

約数ペア:

[(1, 21000950280), (2, 10500475140), (3, 7000316760), (4, 5250237570), (5, 4200190056), (6, 3500158380), (8, 2625118785), (9, 2333438920), (10, 2100095028), (12, 1750079190), (15, 1400063352), (18, 1166719460), (20, 1050047514), (24, 875039595), (30, 700031676), (36, 583359730), (40, 525023757), (45, 466687784), (60, 350015838), (72, 291679865), (90, 233343892), (120, 175007919), (180, 116671946), (360, 58335973), (479, 43843320), (958, 21921660), (1437, 14614440), (1916, 10960830), (2395, 8768664), (2874, 7307220), (3832, 5480415), (4311, 4871480), (4790, 4384332), (5748, 3653610), (7185, 2922888), (8622, 2435740), (9580, 2192166), (11496, 1826805), (14370, 1461444), (17244, 1217870), (19160, 1096083), (21555, 974296), (28740, 730722), (34488, 608935), (43110, 487148), (57480, 365361), (86220, 243574), (121787, 172440)]