21127173660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1\times {\mathrm{2221}}^1$

素因数の和:3508

約数の個数: 144

約数和(自身を含む): 65659033440

約数和(自身を除く): 44531859780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1229, 1290, 1548, 1935, 2221, 2458, 2580, 3687, 3870, 4442, 4916, 6145, 6663, 7374, 7740, 8884, 11061, 11105, 12290, 13326, 14748, 18435, 19989, 22122, 22210, 24580, 26652, 33315, 36870, 39978, 44244, 44420, 52847, 55305, 66630, 73740, 79956, 95503, 99945, 105694, 110610, 133260, 158541, 191006, 199890, 211388, 221220, 264235, 286509, 317082, 382012, 399780, 475623, 477515, 528470, 573018, 634164, 792705, 859527, 951246, 955030, 1056940, 1146036, 1432545, 1585410, 1719054, 1902492, 1910060, 2378115, 2729609, 2865090, 3170820, 3438108, 4297635, 4756230, 5459218, 5730180, 8188827, 8595270, 9512460, 10918436, 13648045, 16377654, 17190540, 24566481, 27296090, 32755308, 40944135, 49132962, 54592180, 81888270, 98265924, 117373187, 122832405, 163776540, 234746374, 245664810, 352119561, 469492748, 491329620, 586865935, 704239122, 1056358683, 1173731870, 1408478244, 1760597805, 2112717366, 2347463740, 3521195610, 4225434732, 5281793415, 7042391220, 10563586830, 21127173660]

約数ペア:

[(1, 21127173660), (2, 10563586830), (3, 7042391220), (4, 5281793415), (5, 4225434732), (6, 3521195610), (9, 2347463740), (10, 2112717366), (12, 1760597805), (15, 1408478244), (18, 1173731870), (20, 1056358683), (30, 704239122), (36, 586865935), (43, 491329620), (45, 469492748), (60, 352119561), (86, 245664810), (90, 234746374), (129, 163776540), (172, 122832405), (180, 117373187), (215, 98265924), (258, 81888270), (387, 54592180), (430, 49132962), (516, 40944135), (645, 32755308), (774, 27296090), (860, 24566481), (1229, 17190540), (1290, 16377654), (1548, 13648045), (1935, 10918436), (2221, 9512460), (2458, 8595270), (2580, 8188827), (3687, 5730180), (3870, 5459218), (4442, 4756230), (4916, 4297635), (6145, 3438108), (6663, 3170820), (7374, 2865090), (7740, 2729609), (8884, 2378115), (11061, 1910060), (11105, 1902492), (12290, 1719054), (13326, 1585410), (14748, 1432545), (18435, 1146036), (19989, 1056940), (22122, 955030), (22210, 951246), (24580, 859527), (26652, 792705), (33315, 634164), (36870, 573018), (39978, 528470), (44244, 477515), (44420, 475623), (52847, 399780), (55305, 382012), (66630, 317082), (73740, 286509), (79956, 264235), (95503, 221220), (99945, 211388), (105694, 199890), (110610, 191006), (133260, 158541)]