21625560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 79073280

約数和(自身を除く): 57447720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 43, 44, 45, 55, 60, 66, 72, 86, 88, 90, 99, 110, 120, 127, 129, 132, 165, 172, 180, 198, 215, 220, 254, 258, 264, 330, 344, 360, 381, 387, 396, 430, 440, 473, 495, 508, 516, 635, 645, 660, 762, 774, 792, 860, 946, 990, 1016, 1032, 1143, 1270, 1290, 1320, 1397, 1419, 1524, 1548, 1720, 1892, 1905, 1935, 1980, 2286, 2365, 2540, 2580, 2794, 2838, 3048, 3096, 3784, 3810, 3870, 3960, 4191, 4257, 4572, 4730, 5080, 5160, 5461, 5588, 5676, 5715, 6985, 7095, 7620, 7740, 8382, 8514, 9144, 9460, 10922, 11176, 11352, 11430, 12573, 13970, 14190, 15240, 15480, 16383, 16764, 17028, 18920, 20955, 21285, 21844, 22860, 25146, 27305, 27940, 28380, 32766, 33528, 34056, 41910, 42570, 43688, 45720, 49149, 50292, 54610, 55880, 56760, 60071, 62865, 65532, 81915, 83820, 85140, 98298, 100584, 109220, 120142, 125730, 131064, 163830, 167640, 170280, 180213, 196596, 218440, 240284, 245745, 251460, 300355, 327660, 360426, 393192, 480568, 491490, 502920, 540639, 600710, 655320, 720852, 901065, 982980, 1081278, 1201420, 1441704, 1802130, 1965960, 2162556, 2402840, 2703195, 3604260, 4325112, 5406390, 7208520, 10812780, 21625560]

約数ペア:

[(1, 21625560), (2, 10812780), (3, 7208520), (4, 5406390), (5, 4325112), (6, 3604260), (8, 2703195), (9, 2402840), (10, 2162556), (11, 1965960), (12, 1802130), (15, 1441704), (18, 1201420), (20, 1081278), (22, 982980), (24, 901065), (30, 720852), (33, 655320), (36, 600710), (40, 540639), (43, 502920), (44, 491490), (45, 480568), (55, 393192), (60, 360426), (66, 327660), (72, 300355), (86, 251460), (88, 245745), (90, 240284), (99, 218440), (110, 196596), (120, 180213), (127, 170280), (129, 167640), (132, 163830), (165, 131064), (172, 125730), (180, 120142), (198, 109220), (215, 100584), (220, 98298), (254, 85140), (258, 83820), (264, 81915), (330, 65532), (344, 62865), (360, 60071), (381, 56760), (387, 55880), (396, 54610), (430, 50292), (440, 49149), (473, 45720), (495, 43688), (508, 42570), (516, 41910), (635, 34056), (645, 33528), (660, 32766), (762, 28380), (774, 27940), (792, 27305), (860, 25146), (946, 22860), (990, 21844), (1016, 21285), (1032, 20955), (1143, 18920), (1270, 17028), (1290, 16764), (1320, 16383), (1397, 15480), (1419, 15240), (1524, 14190), (1548, 13970), (1720, 12573), (1892, 11430), (1905, 11352), (1935, 11176), (1980, 10922), (2286, 9460), (2365, 9144), (2540, 8514), (2580, 8382), (2794, 7740), (2838, 7620), (3048, 7095), (3096, 6985), (3784, 5715), (3810, 5676), (3870, 5588), (3960, 5461), (4191, 5160), (4257, 5080), (4572, 4730)]