21020471220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1087}}^1\times {\mathrm{1123}}^1$

素因数の和:2270

約数の個数: 192

約数和(自身を含む): 69030936576

約数和(自身を除く): 48010465356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1087, 1123, 1148, 1230, 1435, 1722, 2174, 2246, 2460, 2870, 3261, 3369, 3444, 4305, 4348, 4492, 5435, 5615, 5740, 6522, 6738, 7609, 7861, 8610, 10870, 11230, 13044, 13476, 15218, 15722, 16305, 16845, 17220, 21740, 22460, 22827, 23583, 30436, 31444, 32610, 33690, 38045, 39305, 44567, 45654, 46043, 47166, 65220, 67380, 76090, 78610, 89134, 91308, 92086, 94332, 114135, 117915, 133701, 138129, 152180, 157220, 178268, 184172, 222835, 228270, 230215, 235830, 267402, 276258, 311969, 322301, 445670, 456540, 460430, 471660, 534804, 552516, 623938, 644602, 668505, 690645, 891340, 920860, 935907, 966903, 1220701, 1247876, 1289204, 1337010, 1381290, 1559845, 1611505, 1871814, 1933806, 2441402, 2674020, 2762580, 3119690, 3223010, 3662103, 3743628, 3867612, 4679535, 4834515, 4882804, 6103505, 6239380, 6446020, 7324206, 8544907, 9359070, 9669030, 12207010, 14648412, 17089814, 18310515, 18718140, 19338060, 24414020, 25634721, 34179628, 36621030, 42724535, 50048741, 51269442, 73242060, 85449070, 100097482, 102538884, 128173605, 150146223, 170898140, 200194964, 250243705, 256347210, 300292446, 350341187, 500487410, 512694420, 600584892, 700682374, 750731115, 1000974820, 1051023561, 1401364748, 1501462230, 1751705935, 2102047122, 3002924460, 3503411870, 4204094244, 5255117805, 7006823740, 10510235610, 21020471220]

約数ペア:

[(1, 21020471220), (2, 10510235610), (3, 7006823740), (4, 5255117805), (5, 4204094244), (6, 3503411870), (7, 3002924460), (10, 2102047122), (12, 1751705935), (14, 1501462230), (15, 1401364748), (20, 1051023561), (21, 1000974820), (28, 750731115), (30, 700682374), (35, 600584892), (41, 512694420), (42, 500487410), (60, 350341187), (70, 300292446), (82, 256347210), (84, 250243705), (105, 200194964), (123, 170898140), (140, 150146223), (164, 128173605), (205, 102538884), (210, 100097482), (246, 85449070), (287, 73242060), (410, 51269442), (420, 50048741), (492, 42724535), (574, 36621030), (615, 34179628), (820, 25634721), (861, 24414020), (1087, 19338060), (1123, 18718140), (1148, 18310515), (1230, 17089814), (1435, 14648412), (1722, 12207010), (2174, 9669030), (2246, 9359070), (2460, 8544907), (2870, 7324206), (3261, 6446020), (3369, 6239380), (3444, 6103505), (4305, 4882804), (4348, 4834515), (4492, 4679535), (5435, 3867612), (5615, 3743628), (5740, 3662103), (6522, 3223010), (6738, 3119690), (7609, 2762580), (7861, 2674020), (8610, 2441402), (10870, 1933806), (11230, 1871814), (13044, 1611505), (13476, 1559845), (15218, 1381290), (15722, 1337010), (16305, 1289204), (16845, 1247876), (17220, 1220701), (21740, 966903), (22460, 935907), (22827, 920860), (23583, 891340), (30436, 690645), (31444, 668505), (32610, 644602), (33690, 623938), (38045, 552516), (39305, 534804), (44567, 471660), (45654, 460430), (46043, 456540), (47166, 445670), (65220, 322301), (67380, 311969), (76090, 276258), (78610, 267402), (89134, 235830), (91308, 230215), (92086, 228270), (94332, 222835), (114135, 184172), (117915, 178268), (133701, 157220), (138129, 152180)]