21526050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 69995520

約数和(自身を除く): 48469470

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 25, 26, 30, 35, 38, 39, 42, 50, 57, 65, 70, 75, 78, 83, 91, 95, 105, 114, 130, 133, 150, 166, 175, 182, 190, 195, 210, 247, 249, 266, 273, 285, 325, 350, 390, 399, 415, 455, 475, 494, 498, 525, 546, 570, 581, 650, 665, 741, 798, 830, 910, 950, 975, 1050, 1079, 1162, 1235, 1245, 1330, 1365, 1425, 1482, 1577, 1729, 1743, 1950, 1995, 2075, 2158, 2275, 2470, 2490, 2730, 2850, 2905, 3154, 3237, 3325, 3458, 3486, 3705, 3990, 4150, 4550, 4731, 5187, 5395, 5810, 6175, 6225, 6474, 6650, 6825, 7410, 7553, 7885, 8645, 8715, 9462, 9975, 10374, 10790, 11039, 12350, 12450, 13650, 14525, 15106, 15770, 16185, 17290, 17430, 18525, 19950, 20501, 22078, 22659, 23655, 25935, 26975, 29050, 32370, 33117, 37050, 37765, 39425, 41002, 43225, 43575, 45318, 47310, 51870, 53950, 55195, 61503, 66234, 75530, 78850, 80925, 86450, 87150, 102505, 110390, 113295, 118275, 123006, 129675, 143507, 161850, 165585, 188825, 205010, 226590, 236550, 259350, 275975, 287014, 307515, 331170, 377650, 430521, 512525, 551950, 566475, 615030, 717535, 827925, 861042, 1025050, 1132950, 1435070, 1537575, 1655850, 2152605, 3075150, 3587675, 4305210, 7175350, 10763025, 21526050]

約数ペア:

[(1, 21526050), (2, 10763025), (3, 7175350), (5, 4305210), (6, 3587675), (7, 3075150), (10, 2152605), (13, 1655850), (14, 1537575), (15, 1435070), (19, 1132950), (21, 1025050), (25, 861042), (26, 827925), (30, 717535), (35, 615030), (38, 566475), (39, 551950), (42, 512525), (50, 430521), (57, 377650), (65, 331170), (70, 307515), (75, 287014), (78, 275975), (83, 259350), (91, 236550), (95, 226590), (105, 205010), (114, 188825), (130, 165585), (133, 161850), (150, 143507), (166, 129675), (175, 123006), (182, 118275), (190, 113295), (195, 110390), (210, 102505), (247, 87150), (249, 86450), (266, 80925), (273, 78850), (285, 75530), (325, 66234), (350, 61503), (390, 55195), (399, 53950), (415, 51870), (455, 47310), (475, 45318), (494, 43575), (498, 43225), (525, 41002), (546, 39425), (570, 37765), (581, 37050), (650, 33117), (665, 32370), (741, 29050), (798, 26975), (830, 25935), (910, 23655), (950, 22659), (975, 22078), (1050, 20501), (1079, 19950), (1162, 18525), (1235, 17430), (1245, 17290), (1330, 16185), (1365, 15770), (1425, 15106), (1482, 14525), (1577, 13650), (1729, 12450), (1743, 12350), (1950, 11039), (1995, 10790), (2075, 10374), (2158, 9975), (2275, 9462), (2470, 8715), (2490, 8645), (2730, 7885), (2850, 7553), (2905, 7410), (3154, 6825), (3237, 6650), (3325, 6474), (3458, 6225), (3486, 6175), (3705, 5810), (3990, 5395), (4150, 5187), (4550, 4731)]