21173091255

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2833}}^1$

素因数の和:2982

約数の個数: 128

約数和(自身を含む): 41136076800

約数和(自身を除く): 19962985545

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 83, 87, 115, 135, 145, 207, 249, 261, 345, 415, 435, 621, 667, 747, 783, 1035, 1245, 1305, 1909, 2001, 2241, 2407, 2833, 3105, 3335, 3735, 3915, 5727, 6003, 7221, 8499, 9545, 10005, 11205, 12035, 14165, 17181, 18009, 21663, 25497, 28635, 30015, 36105, 42495, 51543, 55361, 64989, 65159, 76491, 82157, 85905, 90045, 108315, 127485, 166083, 195477, 235139, 246471, 257715, 276805, 324945, 325795, 382455, 410785, 498249, 586431, 705417, 739413, 830415, 977385, 1175695, 1232355, 1494747, 1759293, 1889611, 2116251, 2218239, 2491245, 2932155, 3527085, 3697065, 5408197, 5668833, 6348753, 6819031, 7473735, 8796465, 9448055, 10581255, 11091195, 16224591, 17006499, 20457093, 27040985, 28344165, 31743765, 34095155, 48673773, 51019497, 61371279, 81122955, 85032495, 102285465, 146021319, 156837713, 184113837, 243368865, 255097485, 306856395, 470513139, 730106595, 784188565, 920569185, 1411539417, 2352565695, 4234618251, 7057697085, 21173091255]

約数ペア:

[(1, 21173091255), (3, 7057697085), (5, 4234618251), (9, 2352565695), (15, 1411539417), (23, 920569185), (27, 784188565), (29, 730106595), (45, 470513139), (69, 306856395), (83, 255097485), (87, 243368865), (115, 184113837), (135, 156837713), (145, 146021319), (207, 102285465), (249, 85032495), (261, 81122955), (345, 61371279), (415, 51019497), (435, 48673773), (621, 34095155), (667, 31743765), (747, 28344165), (783, 27040985), (1035, 20457093), (1245, 17006499), (1305, 16224591), (1909, 11091195), (2001, 10581255), (2241, 9448055), (2407, 8796465), (2833, 7473735), (3105, 6819031), (3335, 6348753), (3735, 5668833), (3915, 5408197), (5727, 3697065), (6003, 3527085), (7221, 2932155), (8499, 2491245), (9545, 2218239), (10005, 2116251), (11205, 1889611), (12035, 1759293), (14165, 1494747), (17181, 1232355), (18009, 1175695), (21663, 977385), (25497, 830415), (28635, 739413), (30015, 705417), (36105, 586431), (42495, 498249), (51543, 410785), (55361, 382455), (64989, 325795), (65159, 324945), (76491, 276805), (82157, 257715), (85905, 246471), (90045, 235139), (108315, 195477), (127485, 166083)]