21805448

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{463}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 48497280

約数和(自身を除く): 26691832

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 463, 812, 841, 926, 1624, 1682, 1852, 3241, 3364, 3704, 5887, 6482, 6728, 11774, 12964, 13427, 23548, 25928, 26854, 47096, 53708, 93989, 107416, 187978, 375956, 389383, 751912, 778766, 1557532, 2725681, 3115064, 5451362, 10902724, 21805448]

約数ペア:

[(1, 21805448), (2, 10902724), (4, 5451362), (7, 3115064), (8, 2725681), (14, 1557532), (28, 778766), (29, 751912), (56, 389383), (58, 375956), (116, 187978), (203, 107416), (232, 93989), (406, 53708), (463, 47096), (812, 26854), (841, 25928), (926, 23548), (1624, 13427), (1682, 12964), (1852, 11774), (3241, 6728), (3364, 6482), (3704, 5887)]