21845824

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 168

約数和(自身を含む): 60537344

約数和(自身を除く): 38691520

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 31, 32, 44, 52, 56, 62, 64, 77, 88, 91, 104, 112, 121, 124, 143, 154, 176, 182, 208, 217, 224, 242, 248, 286, 308, 341, 352, 364, 403, 416, 434, 448, 484, 496, 572, 616, 682, 704, 728, 806, 832, 847, 868, 968, 992, 1001, 1144, 1232, 1364, 1456, 1573, 1612, 1694, 1736, 1936, 1984, 2002, 2288, 2387, 2464, 2728, 2821, 2912, 3146, 3224, 3388, 3472, 3751, 3872, 4004, 4433, 4576, 4774, 4928, 5456, 5642, 5824, 6292, 6448, 6776, 6944, 7502, 7744, 8008, 8866, 9152, 9548, 10912, 11011, 11284, 12584, 12896, 13552, 13888, 15004, 16016, 17732, 19096, 21824, 22022, 22568, 25168, 25792, 26257, 27104, 30008, 31031, 32032, 35464, 38192, 44044, 45136, 48763, 50336, 52514, 54208, 60016, 62062, 64064, 70928, 76384, 88088, 90272, 97526, 100672, 105028, 120032, 124124, 141856, 152768, 176176, 180544, 195052, 210056, 240064, 248248, 283712, 341341, 352352, 390104, 420112, 496496, 682682, 704704, 780208, 840224, 992992, 1365364, 1560416, 1680448, 1985984, 2730728, 3120832, 5461456, 10922912, 21845824]

約数ペア:

[(1, 21845824), (2, 10922912), (4, 5461456), (7, 3120832), (8, 2730728), (11, 1985984), (13, 1680448), (14, 1560416), (16, 1365364), (22, 992992), (26, 840224), (28, 780208), (31, 704704), (32, 682682), (44, 496496), (52, 420112), (56, 390104), (62, 352352), (64, 341341), (77, 283712), (88, 248248), (91, 240064), (104, 210056), (112, 195052), (121, 180544), (124, 176176), (143, 152768), (154, 141856), (176, 124124), (182, 120032), (208, 105028), (217, 100672), (224, 97526), (242, 90272), (248, 88088), (286, 76384), (308, 70928), (341, 64064), (352, 62062), (364, 60016), (403, 54208), (416, 52514), (434, 50336), (448, 48763), (484, 45136), (496, 44044), (572, 38192), (616, 35464), (682, 32032), (704, 31031), (728, 30008), (806, 27104), (832, 26257), (847, 25792), (868, 25168), (968, 22568), (992, 22022), (1001, 21824), (1144, 19096), (1232, 17732), (1364, 16016), (1456, 15004), (1573, 13888), (1612, 13552), (1694, 12896), (1736, 12584), (1936, 11284), (1984, 11011), (2002, 10912), (2288, 9548), (2387, 9152), (2464, 8866), (2728, 8008), (2821, 7744), (2912, 7502), (3146, 6944), (3224, 6776), (3388, 6448), (3472, 6292), (3751, 5824), (3872, 5642), (4004, 5456), (4433, 4928), (4576, 4774)]