21571938

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{16417}}^1$

素因数の和:16498

約数の個数: 24

約数和(自身を含む): 47382348

約数和(自身を除く): 25810410

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 16417, 32834, 49251, 98502, 147753, 295506, 1198441, 2396882, 3595323, 7190646, 10785969, 21571938]

約数ペア:

[(1, 21571938), (2, 10785969), (3, 7190646), (6, 3595323), (9, 2396882), (18, 1198441), (73, 295506), (146, 147753), (219, 98502), (438, 49251), (657, 32834), (1314, 16417)]