21072611504

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{48781}}^1$

素因数の和:48851

約数の個数: 120

約数和(自身を含む): 51718676400

約数和(自身を除く): 30646064896

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 49, 56, 58, 76, 98, 112, 116, 133, 152, 196, 203, 232, 266, 304, 392, 406, 464, 532, 551, 784, 812, 931, 1064, 1102, 1421, 1624, 1862, 2128, 2204, 2842, 3248, 3724, 3857, 4408, 5684, 7448, 7714, 8816, 11368, 14896, 15428, 22736, 26999, 30856, 48781, 53998, 61712, 97562, 107996, 195124, 215992, 341467, 390248, 431984, 682934, 780496, 926839, 1365868, 1414649, 1853678, 2390269, 2731736, 2829298, 3707356, 4780538, 5463472, 5658596, 6487873, 7414712, 9561076, 9902543, 11317192, 12975746, 14829424, 19122152, 19805086, 22634384, 25951492, 26878331, 38244304, 39610172, 45415111, 51902984, 53756662, 69317801, 79220344, 90830222, 103805968, 107513324, 138635602, 158440688, 181660444, 188148317, 215026648, 277271204, 363320888, 376296634, 430053296, 554542408, 726641776, 752593268, 1109084816, 1317038219, 1505186536, 2634076438, 3010373072, 5268152876, 10536305752, 21072611504]

約数ペア:

[(1, 21072611504), (2, 10536305752), (4, 5268152876), (7, 3010373072), (8, 2634076438), (14, 1505186536), (16, 1317038219), (19, 1109084816), (28, 752593268), (29, 726641776), (38, 554542408), (49, 430053296), (56, 376296634), (58, 363320888), (76, 277271204), (98, 215026648), (112, 188148317), (116, 181660444), (133, 158440688), (152, 138635602), (196, 107513324), (203, 103805968), (232, 90830222), (266, 79220344), (304, 69317801), (392, 53756662), (406, 51902984), (464, 45415111), (532, 39610172), (551, 38244304), (784, 26878331), (812, 25951492), (931, 22634384), (1064, 19805086), (1102, 19122152), (1421, 14829424), (1624, 12975746), (1862, 11317192), (2128, 9902543), (2204, 9561076), (2842, 7414712), (3248, 6487873), (3724, 5658596), (3857, 5463472), (4408, 4780538), (5684, 3707356), (7448, 2829298), (7714, 2731736), (8816, 2390269), (11368, 1853678), (14896, 1414649), (15428, 1365868), (22736, 926839), (26999, 780496), (30856, 682934), (48781, 431984), (53998, 390248), (61712, 341467), (97562, 215992), (107996, 195124)]