21503152

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 60

約数和(自身を含む): 47496960

約数和(自身を除く): 25993808

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 121, 176, 232, 242, 319, 383, 464, 484, 638, 766, 968, 1276, 1532, 1936, 2552, 3064, 3509, 4213, 5104, 6128, 7018, 8426, 11107, 14036, 16852, 22214, 28072, 33704, 44428, 46343, 56144, 67408, 88856, 92686, 122177, 177712, 185372, 244354, 370744, 488708, 741488, 977416, 1343947, 1954832, 2687894, 5375788, 10751576, 21503152]

約数ペア:

[(1, 21503152), (2, 10751576), (4, 5375788), (8, 2687894), (11, 1954832), (16, 1343947), (22, 977416), (29, 741488), (44, 488708), (58, 370744), (88, 244354), (116, 185372), (121, 177712), (176, 122177), (232, 92686), (242, 88856), (319, 67408), (383, 56144), (464, 46343), (484, 44428), (638, 33704), (766, 28072), (968, 22214), (1276, 16852), (1532, 14036), (1936, 11107), (2552, 8426), (3064, 7018), (3509, 6128), (4213, 5104)]