21755580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 80704512

約数和(自身を除く): 58948932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 20, 21, 22, 28, 30, 33, 34, 35, 42, 44, 51, 55, 60, 66, 68, 70, 77, 84, 85, 102, 105, 110, 119, 132, 140, 154, 165, 170, 187, 204, 210, 220, 231, 238, 255, 277, 308, 330, 340, 357, 374, 385, 420, 462, 476, 510, 554, 561, 595, 660, 714, 748, 770, 831, 924, 935, 1020, 1108, 1122, 1155, 1190, 1309, 1385, 1428, 1540, 1662, 1785, 1870, 1939, 2244, 2310, 2380, 2618, 2770, 2805, 3047, 3324, 3570, 3740, 3878, 3927, 4155, 4620, 4709, 5236, 5540, 5610, 5817, 6094, 6545, 7140, 7756, 7854, 8310, 9141, 9418, 9695, 11220, 11634, 12188, 13090, 14127, 15235, 15708, 16620, 18282, 18836, 19390, 19635, 21329, 23268, 23545, 26180, 28254, 29085, 30470, 32963, 36564, 38780, 39270, 42658, 45705, 47090, 51799, 56508, 58170, 60940, 63987, 65926, 70635, 78540, 85316, 91410, 94180, 98889, 103598, 106645, 116340, 127974, 131852, 141270, 155397, 164815, 182820, 197778, 207196, 213290, 255948, 258995, 282540, 310794, 319935, 329630, 362593, 395556, 426580, 494445, 517990, 621588, 639870, 659260, 725186, 776985, 988890, 1035980, 1087779, 1279740, 1450372, 1553970, 1812965, 1977780, 2175558, 3107940, 3625930, 4351116, 5438895, 7251860, 10877790, 21755580]

約数ペア:

[(1, 21755580), (2, 10877790), (3, 7251860), (4, 5438895), (5, 4351116), (6, 3625930), (7, 3107940), (10, 2175558), (11, 1977780), (12, 1812965), (14, 1553970), (15, 1450372), (17, 1279740), (20, 1087779), (21, 1035980), (22, 988890), (28, 776985), (30, 725186), (33, 659260), (34, 639870), (35, 621588), (42, 517990), (44, 494445), (51, 426580), (55, 395556), (60, 362593), (66, 329630), (68, 319935), (70, 310794), (77, 282540), (84, 258995), (85, 255948), (102, 213290), (105, 207196), (110, 197778), (119, 182820), (132, 164815), (140, 155397), (154, 141270), (165, 131852), (170, 127974), (187, 116340), (204, 106645), (210, 103598), (220, 98889), (231, 94180), (238, 91410), (255, 85316), (277, 78540), (308, 70635), (330, 65926), (340, 63987), (357, 60940), (374, 58170), (385, 56508), (420, 51799), (462, 47090), (476, 45705), (510, 42658), (554, 39270), (561, 38780), (595, 36564), (660, 32963), (714, 30470), (748, 29085), (770, 28254), (831, 26180), (924, 23545), (935, 23268), (1020, 21329), (1108, 19635), (1122, 19390), (1155, 18836), (1190, 18282), (1309, 16620), (1385, 15708), (1428, 15235), (1540, 14127), (1662, 13090), (1785, 12188), (1870, 11634), (1939, 11220), (2244, 9695), (2310, 9418), (2380, 9141), (2618, 8310), (2770, 7854), (2805, 7756), (3047, 7140), (3324, 6545), (3570, 6094), (3740, 5817), (3878, 5610), (3927, 5540), (4155, 5236), (4620, 4709)]