21383474

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4231}}^1$

素因数の和:4278

約数の個数: 24

約数和(自身を含む): 38697408

約数和(自身を除く): 17313934

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4231, 5054, 8462, 29617, 59234, 80389, 160778, 562723, 1125446, 1527391, 3054782, 10691737, 21383474]

約数ペア:

[(1, 21383474), (2, 10691737), (7, 3054782), (14, 1527391), (19, 1125446), (38, 562723), (133, 160778), (266, 80389), (361, 59234), (722, 29617), (2527, 8462), (4231, 5054)]