21877020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 77414400

約数和(自身を除く): 55537380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 29, 30, 33, 36, 44, 45, 54, 55, 58, 60, 66, 87, 90, 99, 108, 110, 116, 127, 132, 135, 145, 165, 174, 180, 198, 220, 254, 261, 270, 290, 297, 319, 330, 348, 381, 396, 435, 495, 508, 522, 540, 580, 594, 635, 638, 660, 762, 783, 870, 957, 990, 1044, 1143, 1188, 1270, 1276, 1305, 1397, 1485, 1524, 1566, 1595, 1740, 1905, 1914, 1980, 2286, 2540, 2610, 2794, 2871, 2970, 3132, 3190, 3429, 3683, 3810, 3828, 3915, 4191, 4572, 4785, 5220, 5588, 5715, 5742, 5940, 6380, 6858, 6985, 7366, 7620, 7830, 8382, 8613, 9570, 11049, 11430, 11484, 12573, 13716, 13970, 14355, 14732, 15660, 16764, 17145, 17226, 18415, 19140, 20955, 22098, 22860, 25146, 27940, 28710, 33147, 34290, 34452, 36830, 37719, 40513, 41910, 43065, 44196, 50292, 55245, 57420, 62865, 66294, 68580, 73660, 75438, 81026, 83820, 86130, 99441, 110490, 121539, 125730, 132588, 150876, 162052, 165735, 172260, 188595, 198882, 202565, 220980, 243078, 251460, 331470, 364617, 377190, 397764, 405130, 486156, 497205, 607695, 662940, 729234, 754380, 810260, 994410, 1093851, 1215390, 1458468, 1823085, 1988820, 2187702, 2430780, 3646170, 4375404, 5469255, 7292340, 10938510, 21877020]

約数ペア:

[(1, 21877020), (2, 10938510), (3, 7292340), (4, 5469255), (5, 4375404), (6, 3646170), (9, 2430780), (10, 2187702), (11, 1988820), (12, 1823085), (15, 1458468), (18, 1215390), (20, 1093851), (22, 994410), (27, 810260), (29, 754380), (30, 729234), (33, 662940), (36, 607695), (44, 497205), (45, 486156), (54, 405130), (55, 397764), (58, 377190), (60, 364617), (66, 331470), (87, 251460), (90, 243078), (99, 220980), (108, 202565), (110, 198882), (116, 188595), (127, 172260), (132, 165735), (135, 162052), (145, 150876), (165, 132588), (174, 125730), (180, 121539), (198, 110490), (220, 99441), (254, 86130), (261, 83820), (270, 81026), (290, 75438), (297, 73660), (319, 68580), (330, 66294), (348, 62865), (381, 57420), (396, 55245), (435, 50292), (495, 44196), (508, 43065), (522, 41910), (540, 40513), (580, 37719), (594, 36830), (635, 34452), (638, 34290), (660, 33147), (762, 28710), (783, 27940), (870, 25146), (957, 22860), (990, 22098), (1044, 20955), (1143, 19140), (1188, 18415), (1270, 17226), (1276, 17145), (1305, 16764), (1397, 15660), (1485, 14732), (1524, 14355), (1566, 13970), (1595, 13716), (1740, 12573), (1905, 11484), (1914, 11430), (1980, 11049), (2286, 9570), (2540, 8613), (2610, 8382), (2794, 7830), (2871, 7620), (2970, 7366), (3132, 6985), (3190, 6858), (3429, 6380), (3683, 5940), (3810, 5742), (3828, 5715), (3915, 5588), (4191, 5220), (4572, 4785)]