21036705560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:610

約数の個数: 256

約数和(自身を含む): 54780364800

約数和(自身を除く): 33743659240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 47, 52, 58, 65, 67, 94, 104, 116, 130, 134, 145, 188, 232, 235, 260, 268, 290, 335, 376, 377, 443, 470, 520, 536, 580, 611, 670, 754, 871, 886, 940, 1160, 1222, 1340, 1363, 1508, 1742, 1772, 1880, 1885, 1943, 2215, 2444, 2680, 2726, 3016, 3055, 3149, 3484, 3544, 3770, 3886, 4355, 4430, 4888, 5452, 5759, 6110, 6298, 6815, 6968, 7540, 7772, 8710, 8860, 9715, 10904, 11518, 12220, 12596, 12847, 13630, 15080, 15544, 15745, 17420, 17719, 17720, 19430, 20821, 23036, 24440, 25192, 25259, 25694, 27260, 28795, 29681, 31490, 34840, 35438, 38860, 40937, 41642, 46072, 50518, 51388, 54520, 57590, 59362, 62980, 64235, 70876, 77720, 81874, 83284, 88595, 91321, 101036, 102776, 104105, 115180, 118724, 125960, 126295, 128470, 141752, 148405, 163748, 166568, 167011, 177190, 182642, 202072, 204685, 208210, 230360, 237448, 252590, 256940, 270673, 296810, 327496, 334022, 354380, 365284, 385853, 409370, 416420, 456605, 505180, 513880, 541346, 593620, 603809, 668044, 708760, 730568, 771706, 818740, 832840, 835055, 860749, 913210, 1010360, 1082692, 1187173, 1187240, 1207618, 1336088, 1353365, 1395007, 1543412, 1637480, 1670110, 1721498, 1826420, 1929265, 2165384, 2374346, 2415236, 2706730, 2790014, 3019045, 3086824, 3340220, 3442996, 3652840, 3858530, 4303745, 4748692, 4830472, 5413460, 5580028, 5935865, 6038090, 6680440, 6885992, 6975035, 7717060, 7849517, 8607490, 9497384, 10826920, 11160056, 11189737, 11871730, 12076180, 13950070, 15434120, 15699034, 17214980, 18135091, 22379474, 23743460, 24152360, 27900140, 31398068, 34429960, 36270182, 39247585, 40455203, 44758948, 47486920, 55800280, 55948685, 62796136, 72540364, 78495170, 80910406, 89517896, 90675455, 111897370, 145080728, 156990340, 161820812, 181350910, 202276015, 223794740, 313980680, 323641624, 362701820, 404552030, 447589480, 525917639, 725403640, 809104060, 1051835278, 1618208120, 2103670556, 2629588195, 4207341112, 5259176390, 10518352780, 21036705560]

約数ペア:

[(1, 21036705560), (2, 10518352780), (4, 5259176390), (5, 4207341112), (8, 2629588195), (10, 2103670556), (13, 1618208120), (20, 1051835278), (26, 809104060), (29, 725403640), (40, 525917639), (47, 447589480), (52, 404552030), (58, 362701820), (65, 323641624), (67, 313980680), (94, 223794740), (104, 202276015), (116, 181350910), (130, 161820812), (134, 156990340), (145, 145080728), (188, 111897370), (232, 90675455), (235, 89517896), (260, 80910406), (268, 78495170), (290, 72540364), (335, 62796136), (376, 55948685), (377, 55800280), (443, 47486920), (470, 44758948), (520, 40455203), (536, 39247585), (580, 36270182), (611, 34429960), (670, 31398068), (754, 27900140), (871, 24152360), (886, 23743460), (940, 22379474), (1160, 18135091), (1222, 17214980), (1340, 15699034), (1363, 15434120), (1508, 13950070), (1742, 12076180), (1772, 11871730), (1880, 11189737), (1885, 11160056), (1943, 10826920), (2215, 9497384), (2444, 8607490), (2680, 7849517), (2726, 7717060), (3016, 6975035), (3055, 6885992), (3149, 6680440), (3484, 6038090), (3544, 5935865), (3770, 5580028), (3886, 5413460), (4355, 4830472), (4430, 4748692), (4888, 4303745), (5452, 3858530), (5759, 3652840), (6110, 3442996), (6298, 3340220), (6815, 3086824), (6968, 3019045), (7540, 2790014), (7772, 2706730), (8710, 2415236), (8860, 2374346), (9715, 2165384), (10904, 1929265), (11518, 1826420), (12220, 1721498), (12596, 1670110), (12847, 1637480), (13630, 1543412), (15080, 1395007), (15544, 1353365), (15745, 1336088), (17420, 1207618), (17719, 1187240), (17720, 1187173), (19430, 1082692), (20821, 1010360), (23036, 913210), (24440, 860749), (25192, 835055), (25259, 832840), (25694, 818740), (27260, 771706), (28795, 730568), (29681, 708760), (31490, 668044), (34840, 603809), (35438, 593620), (38860, 541346), (40937, 513880), (41642, 505180), (46072, 456605), (50518, 416420), (51388, 409370), (54520, 385853), (57590, 365284), (59362, 354380), (62980, 334022), (64235, 327496), (70876, 296810), (77720, 270673), (81874, 256940), (83284, 252590), (88595, 237448), (91321, 230360), (101036, 208210), (102776, 204685), (104105, 202072), (115180, 182642), (118724, 177190), (125960, 167011), (126295, 166568), (128470, 163748), (141752, 148405)]