21406927860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1063}}^1$

素因数の和:1516

約数の個数: 240

約数和(自身を含む): 69558838272

約数和(自身を除く): 48151910412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 401, 405, 465, 540, 558, 620, 802, 810, 837, 930, 1063, 1116, 1203, 1395, 1604, 1620, 1674, 1860, 2005, 2126, 2406, 2511, 2790, 3189, 3348, 3609, 4010, 4185, 4252, 4812, 5022, 5315, 5580, 6015, 6378, 7218, 8020, 8370, 9567, 10044, 10630, 10827, 12030, 12431, 12555, 12756, 14436, 15945, 16740, 18045, 19134, 21260, 21654, 24060, 24862, 25110, 28701, 31890, 32481, 32953, 36090, 37293, 38268, 43308, 47835, 49724, 50220, 54135, 57402, 62155, 63780, 64962, 65906, 72180, 74586, 86103, 95670, 98859, 108270, 111879, 114804, 124310, 129924, 131812, 143505, 149172, 162405, 164765, 172206, 186465, 191340, 197718, 216540, 223758, 248620, 287010, 296577, 324810, 329530, 335637, 344412, 372930, 395436, 426263, 430515, 447516, 494295, 559395, 574020, 593154, 649620, 659060, 671274, 745860, 852526, 861030, 889731, 988590, 1006911, 1118790, 1186308, 1278789, 1342548, 1482885, 1678185, 1705052, 1722060, 1779462, 1977180, 2013822, 2131315, 2237580, 2557578, 2669193, 2965770, 3356370, 3558924, 3836367, 4027644, 4262630, 4448655, 5034555, 5115156, 5338386, 5931540, 6393945, 6712740, 7672734, 8525260, 8897310, 10069110, 10676772, 11509101, 12787890, 13214153, 13345965, 15345468, 17794620, 19181835, 20138220, 23018202, 25575780, 26428306, 26691930, 34527303, 38363670, 39642459, 46036404, 52856612, 53383860, 57545505, 66070765, 69054606, 76727340, 79284918, 115091010, 118927377, 132141530, 138109212, 158569836, 172636515, 198212295, 230182020, 237854754, 264283060, 345273030, 356782131, 396424590, 475709508, 594636885, 690546060, 713564262, 792849180, 1070346393, 1189273770, 1427128524, 1783910655, 2140692786, 2378547540, 3567821310, 4281385572, 5351731965, 7135642620, 10703463930, 21406927860]

約数ペア:

[(1, 21406927860), (2, 10703463930), (3, 7135642620), (4, 5351731965), (5, 4281385572), (6, 3567821310), (9, 2378547540), (10, 2140692786), (12, 1783910655), (15, 1427128524), (18, 1189273770), (20, 1070346393), (27, 792849180), (30, 713564262), (31, 690546060), (36, 594636885), (45, 475709508), (54, 396424590), (60, 356782131), (62, 345273030), (81, 264283060), (90, 237854754), (93, 230182020), (108, 198212295), (124, 172636515), (135, 158569836), (155, 138109212), (162, 132141530), (180, 118927377), (186, 115091010), (270, 79284918), (279, 76727340), (310, 69054606), (324, 66070765), (372, 57545505), (401, 53383860), (405, 52856612), (465, 46036404), (540, 39642459), (558, 38363670), (620, 34527303), (802, 26691930), (810, 26428306), (837, 25575780), (930, 23018202), (1063, 20138220), (1116, 19181835), (1203, 17794620), (1395, 15345468), (1604, 13345965), (1620, 13214153), (1674, 12787890), (1860, 11509101), (2005, 10676772), (2126, 10069110), (2406, 8897310), (2511, 8525260), (2790, 7672734), (3189, 6712740), (3348, 6393945), (3609, 5931540), (4010, 5338386), (4185, 5115156), (4252, 5034555), (4812, 4448655), (5022, 4262630), (5315, 4027644), (5580, 3836367), (6015, 3558924), (6378, 3356370), (7218, 2965770), (8020, 2669193), (8370, 2557578), (9567, 2237580), (10044, 2131315), (10630, 2013822), (10827, 1977180), (12030, 1779462), (12431, 1722060), (12555, 1705052), (12756, 1678185), (14436, 1482885), (15945, 1342548), (16740, 1278789), (18045, 1186308), (19134, 1118790), (21260, 1006911), (21654, 988590), (24060, 889731), (24862, 861030), (25110, 852526), (28701, 745860), (31890, 671274), (32481, 659060), (32953, 649620), (36090, 593154), (37293, 574020), (38268, 559395), (43308, 494295), (47835, 447516), (49724, 430515), (50220, 426263), (54135, 395436), (57402, 372930), (62155, 344412), (63780, 335637), (64962, 329530), (65906, 324810), (72180, 296577), (74586, 287010), (86103, 248620), (95670, 223758), (98859, 216540), (108270, 197718), (111879, 191340), (114804, 186465), (124310, 172206), (129924, 164765), (131812, 162405), (143505, 149172)]