21958860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 79027200

約数和(自身を除く): 57068340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 97, 98, 105, 110, 132, 140, 147, 154, 165, 194, 196, 210, 220, 231, 245, 291, 294, 308, 330, 343, 385, 388, 420, 462, 485, 490, 539, 582, 588, 660, 679, 686, 735, 770, 924, 970, 980, 1029, 1067, 1078, 1155, 1164, 1358, 1372, 1455, 1470, 1540, 1617, 1715, 1940, 2037, 2058, 2134, 2156, 2310, 2695, 2716, 2910, 2940, 3201, 3234, 3395, 3430, 3773, 4074, 4116, 4268, 4620, 4753, 5145, 5335, 5390, 5820, 6402, 6468, 6790, 6860, 7469, 7546, 8085, 8148, 9506, 10185, 10290, 10670, 10780, 11319, 12804, 13580, 14259, 14938, 15092, 16005, 16170, 18865, 19012, 20370, 20580, 21340, 22407, 22638, 23765, 28518, 29876, 32010, 32340, 33271, 37345, 37730, 40740, 44814, 45276, 47530, 52283, 56595, 57036, 64020, 66542, 71295, 74690, 75460, 89628, 95060, 99813, 104566, 112035, 113190, 133084, 142590, 149380, 156849, 166355, 199626, 209132, 224070, 226380, 261415, 285180, 313698, 332710, 365981, 399252, 448140, 499065, 522830, 627396, 665420, 731962, 784245, 998130, 1045660, 1097943, 1463924, 1568490, 1829905, 1996260, 2195886, 3136980, 3659810, 4391772, 5489715, 7319620, 10979430, 21958860]

約数ペア:

[(1, 21958860), (2, 10979430), (3, 7319620), (4, 5489715), (5, 4391772), (6, 3659810), (7, 3136980), (10, 2195886), (11, 1996260), (12, 1829905), (14, 1568490), (15, 1463924), (20, 1097943), (21, 1045660), (22, 998130), (28, 784245), (30, 731962), (33, 665420), (35, 627396), (42, 522830), (44, 499065), (49, 448140), (55, 399252), (60, 365981), (66, 332710), (70, 313698), (77, 285180), (84, 261415), (97, 226380), (98, 224070), (105, 209132), (110, 199626), (132, 166355), (140, 156849), (147, 149380), (154, 142590), (165, 133084), (194, 113190), (196, 112035), (210, 104566), (220, 99813), (231, 95060), (245, 89628), (291, 75460), (294, 74690), (308, 71295), (330, 66542), (343, 64020), (385, 57036), (388, 56595), (420, 52283), (462, 47530), (485, 45276), (490, 44814), (539, 40740), (582, 37730), (588, 37345), (660, 33271), (679, 32340), (686, 32010), (735, 29876), (770, 28518), (924, 23765), (970, 22638), (980, 22407), (1029, 21340), (1067, 20580), (1078, 20370), (1155, 19012), (1164, 18865), (1358, 16170), (1372, 16005), (1455, 15092), (1470, 14938), (1540, 14259), (1617, 13580), (1715, 12804), (1940, 11319), (2037, 10780), (2058, 10670), (2134, 10290), (2156, 10185), (2310, 9506), (2695, 8148), (2716, 8085), (2910, 7546), (2940, 7469), (3201, 6860), (3234, 6790), (3395, 6468), (3430, 6402), (3773, 5820), (4074, 5390), (4116, 5335), (4268, 5145), (4620, 4753)]