21550724692

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{134581}}^1$

素因数の和:134661

約数の個数: 72

約数和(自身を含む): 47254431840

約数和(自身を除く): 25703707148

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 931, 1204, 1634, 1862, 2107, 3268, 3724, 4214, 5719, 8428, 11438, 22876, 40033, 80066, 134581, 160132, 269162, 538324, 942067, 1884134, 2557039, 3768268, 5114078, 5786983, 6594469, 10228156, 11573966, 13188938, 17899273, 23147932, 26377876, 35798546, 40508881, 71597092, 81017762, 109952677, 125294911, 162035524, 219905354, 250589822, 283562167, 439810708, 501179644, 567124334, 769668739, 1134248668, 1539337478, 3078674956, 5387681173, 10775362346, 21550724692]

約数ペア:

[(1, 21550724692), (2, 10775362346), (4, 5387681173), (7, 3078674956), (14, 1539337478), (19, 1134248668), (28, 769668739), (38, 567124334), (43, 501179644), (49, 439810708), (76, 283562167), (86, 250589822), (98, 219905354), (133, 162035524), (172, 125294911), (196, 109952677), (266, 81017762), (301, 71597092), (532, 40508881), (602, 35798546), (817, 26377876), (931, 23147932), (1204, 17899273), (1634, 13188938), (1862, 11573966), (2107, 10228156), (3268, 6594469), (3724, 5786983), (4214, 5114078), (5719, 3768268), (8428, 2557039), (11438, 1884134), (22876, 942067), (40033, 538324), (80066, 269162), (134581, 160132)]