21277646040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{199453}}^1$

素因数の和:199601

約数の個数: 128

約数和(自身を含む): 73526722560

約数和(自身を除く): 52249076520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 2540, 2667, 3048, 3556, 3810, 4445, 5080, 5334, 7112, 7620, 8890, 10668, 13335, 15240, 17780, 21336, 26670, 35560, 53340, 106680, 199453, 398906, 598359, 797812, 997265, 1196718, 1396171, 1595624, 1994530, 2393436, 2792342, 2991795, 3989060, 4188513, 4786872, 5584684, 5983590, 6980855, 7978120, 8377026, 11169368, 11967180, 13961710, 16754052, 20942565, 23934360, 25330531, 27923420, 33508104, 41885130, 50661062, 55846840, 75991593, 83770260, 101322124, 126652655, 151983186, 167540520, 177313717, 202644248, 253305310, 303966372, 354627434, 379957965, 506610620, 531941151, 607932744, 709254868, 759915930, 886568585, 1013221240, 1063882302, 1418509736, 1519831860, 1773137170, 2127764604, 2659705755, 3039663720, 3546274340, 4255529208, 5319411510, 7092548680, 10638823020, 21277646040]

約数ペア:

[(1, 21277646040), (2, 10638823020), (3, 7092548680), (4, 5319411510), (5, 4255529208), (6, 3546274340), (7, 3039663720), (8, 2659705755), (10, 2127764604), (12, 1773137170), (14, 1519831860), (15, 1418509736), (20, 1063882302), (21, 1013221240), (24, 886568585), (28, 759915930), (30, 709254868), (35, 607932744), (40, 531941151), (42, 506610620), (56, 379957965), (60, 354627434), (70, 303966372), (84, 253305310), (105, 202644248), (120, 177313717), (127, 167540520), (140, 151983186), (168, 126652655), (210, 101322124), (254, 83770260), (280, 75991593), (381, 55846840), (420, 50661062), (508, 41885130), (635, 33508104), (762, 27923420), (840, 25330531), (889, 23934360), (1016, 20942565), (1270, 16754052), (1524, 13961710), (1778, 11967180), (1905, 11169368), (2540, 8377026), (2667, 7978120), (3048, 6980855), (3556, 5983590), (3810, 5584684), (4445, 4786872), (5080, 4188513), (5334, 3989060), (7112, 2991795), (7620, 2792342), (8890, 2393436), (10668, 1994530), (13335, 1595624), (15240, 1396171), (17780, 1196718), (21336, 997265), (26670, 797812), (35560, 598359), (53340, 398906), (106680, 199453)]