21445794

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 49639200

約数和(自身を除く): 28193406

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 859, 1314, 1387, 1718, 2577, 2774, 4161, 5154, 7731, 8322, 12483, 15462, 16321, 24966, 32642, 48963, 62707, 97926, 125414, 146889, 188121, 293778, 376242, 564363, 1128726, 1191433, 2382866, 3574299, 7148598, 10722897, 21445794]

約数ペア:

[(1, 21445794), (2, 10722897), (3, 7148598), (6, 3574299), (9, 2382866), (18, 1191433), (19, 1128726), (38, 564363), (57, 376242), (73, 293778), (114, 188121), (146, 146889), (171, 125414), (219, 97926), (342, 62707), (438, 48963), (657, 32642), (859, 24966), (1314, 16321), (1387, 15462), (1718, 12483), (2577, 8322), (2774, 7731), (4161, 5154)]