21075664.000000000

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3408

約数の個数: 180

約数和(自身を含む): 1008035184

約数和(自身を除く): 729744384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 48, 50, 60, 69, 72, 75, 80, 90, 92, 100, 115, 120, 138, 144, 150, 180, 184, 200, 207, 225, 230, 240, 276, 300, 345, 360, 368, 400, 414, 450, 460, 552, 575, 600, 690, 720, 828, 900, 920, 1035, 1104, 1150, 1200, 1380, 1656, 1725, 1800, 1840, 2070, 2300, 2760, 3312, 3361, 3450, 3600, 4140, 4600, 5175, 5520, 6722, 6900, 8280, 9200, 10083, 10350, 13444, 13800, 16560, 16805, 20166, 20700, 26888, 27600, 30249, 33610, 40332, 41400, 50415, 53776, 60498, 67220, 77303, 80664, 82800, 84025, 100830, 120996, 134440, 151245, 154606, 161328, 168050, 201660, 231909, 241992, 252075, 268880, 302490, 309212, 336100, 386515, 403320, 463818, 483984, 504150, 604980, 618424, 672200, 695727, 756225, 773030, 806640, 927636, 1008300, 1159545, 1209960, 1236848, 1344400, 1391454, 1512450, 1546060, 1855272, 1932575, 2016600, 2319090, 2419920, 2782908, 3024900, 3092120, 3478635, 3710544, 3865150, 4033200, 4638180, 5565816, 5797725, 6049800, 6184240, 6957270, 7730300, 9276360, 11131632, 11595450, 12099600, 13914540, 15460600, 17393175, 18552720, 23190900, 27829080, 30921200, 34786350, 46381800, 55658160, 69572700, 92763600, 139145400, 278290800]

約数ペア:

[(1, 278290800), (2, 139145400), (3, 92763600), (4, 69572700), (5, 55658160), (6, 46381800), (8, 34786350), (9, 30921200), (10, 27829080), (12, 23190900), (15, 18552720), (16, 17393175), (18, 15460600), (20, 13914540), (23, 12099600), (24, 11595450), (25, 11131632), (30, 9276360), (36, 7730300), (40, 6957270), (45, 6184240), (46, 6049800), (48, 5797725), (50, 5565816), (60, 4638180), (69, 4033200), (72, 3865150), (75, 3710544), (80, 3478635), (90, 3092120), (92, 3024900), (100, 2782908), (115, 2419920), (120, 2319090), (138, 2016600), (144, 1932575), (150, 1855272), (180, 1546060), (184, 1512450), (200, 1391454), (207, 1344400), (225, 1236848), (230, 1209960), (240, 1159545), (276, 1008300), (300, 927636), (345, 806640), (360, 773030), (368, 756225), (400, 695727), (414, 672200), (450, 618424), (460, 604980), (552, 504150), (575, 483984), (600, 463818), (690, 403320), (720, 386515), (828, 336100), (900, 309212), (920, 302490), (1035, 268880), (1104, 252075), (1150, 241992), (1200, 231909), (1380, 201660), (1656, 168050), (1725, 161328), (1800, 154606), (1840, 151245), (2070, 134440), (2300, 120996), (2760, 100830), (3312, 84025), (3361, 82800), (3450, 80664), (3600, 77303), (4140, 67220), (4600, 60498), (5175, 53776), (5520, 50415), (6722, 41400), (6900, 40332), (8280, 33610), (9200, 30249), (10083, 27600), (10350, 26888), (13444, 20700), (13800, 20166), (16560, 16805)]