21046582.000000000

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 240

約数和(自身を含む): 631388160

約数和(自身を除く): 455975280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 116, 120, 124, 144, 145, 155, 174, 180, 186, 232, 240, 248, 261, 271, 279, 290, 310, 348, 360, 372, 435, 464, 465, 496, 522, 542, 558, 580, 620, 696, 720, 744, 813, 870, 899, 930, 1044, 1084, 1116, 1160, 1240, 1305, 1355, 1392, 1395, 1488, 1626, 1740, 1798, 1860, 2088, 2168, 2232, 2320, 2439, 2480, 2610, 2697, 2710, 2790, 3252, 3480, 3596, 3720, 4065, 4176, 4336, 4464, 4495, 4878, 5220, 5394, 5420, 5580, 6504, 6960, 7192, 7440, 7859, 8091, 8130, 8401, 8990, 9756, 10440, 10788, 10840, 11160, 12195, 13008, 13485, 14384, 15718, 16182, 16260, 16802, 17980, 19512, 20880, 21576, 21680, 22320, 23577, 24390, 25203, 26970, 31436, 32364, 32520, 33604, 35960, 39024, 39295, 40455, 42005, 43152, 47154, 48780, 50406, 53940, 62872, 64728, 65040, 67208, 70731, 71920, 75609, 78590, 80910, 84010, 94308, 97560, 100812, 107880, 117885, 125744, 126015, 129456, 134416, 141462, 151218, 157180, 161820, 168020, 188616, 195120, 201624, 215760, 235770, 243629, 252030, 282924, 302436, 314360, 323640, 336040, 353655, 377232, 378045, 403248, 471540, 487258, 504060, 565848, 604872, 628720, 647280, 672080, 707310, 730887, 756090, 943080, 974516, 1008120, 1131696, 1209744, 1218145, 1414620, 1461774, 1512180, 1886160, 1949032, 2016240, 2192661, 2436290, 2829240, 2923548, 3024360, 3654435, 3898064, 4385322, 4872580, 5658480, 5847096, 6048720, 7308870, 8770644, 9745160, 10963305, 11694192, 14617740, 17541288, 19490320, 21926610, 29235480, 35082576, 43853220, 58470960, 87706440, 175412880]

約数ペア:

[(1, 175412880), (2, 87706440), (3, 58470960), (4, 43853220), (5, 35082576), (6, 29235480), (8, 21926610), (9, 19490320), (10, 17541288), (12, 14617740), (15, 11694192), (16, 10963305), (18, 9745160), (20, 8770644), (24, 7308870), (29, 6048720), (30, 5847096), (31, 5658480), (36, 4872580), (40, 4385322), (45, 3898064), (48, 3654435), (58, 3024360), (60, 2923548), (62, 2829240), (72, 2436290), (80, 2192661), (87, 2016240), (90, 1949032), (93, 1886160), (116, 1512180), (120, 1461774), (124, 1414620), (144, 1218145), (145, 1209744), (155, 1131696), (174, 1008120), (180, 974516), (186, 943080), (232, 756090), (240, 730887), (248, 707310), (261, 672080), (271, 647280), (279, 628720), (290, 604872), (310, 565848), (348, 504060), (360, 487258), (372, 471540), (435, 403248), (464, 378045), (465, 377232), (496, 353655), (522, 336040), (542, 323640), (558, 314360), (580, 302436), (620, 282924), (696, 252030), (720, 243629), (744, 235770), (813, 215760), (870, 201624), (899, 195120), (930, 188616), (1044, 168020), (1084, 161820), (1116, 157180), (1160, 151218), (1240, 141462), (1305, 134416), (1355, 129456), (1392, 126015), (1395, 125744), (1488, 117885), (1626, 107880), (1740, 100812), (1798, 97560), (1860, 94308), (2088, 84010), (2168, 80910), (2232, 78590), (2320, 75609), (2439, 71920), (2480, 70731), (2610, 67208), (2697, 65040), (2710, 64728), (2790, 62872), (3252, 53940), (3480, 50406), (3596, 48780), (3720, 47154), (4065, 43152), (4176, 42005), (4336, 40455), (4464, 39295), (4495, 39024), (4878, 35960), (5220, 33604), (5394, 32520), (5420, 32364), (5580, 31436), (6504, 26970), (6960, 25203), (7192, 24390), (7440, 23577), (7859, 22320), (8091, 21680), (8130, 21576), (8401, 20880), (8990, 19512), (9756, 17980), (10440, 16802), (10788, 16260), (10840, 16182), (11160, 15718), (12195, 14384), (13008, 13485)]