21570892

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45317}}^1$

素因数の和:45345

約数の個数: 24

約数和(自身を含む): 45680544

約数和(自身を除く): 24109652

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45317, 90634, 181268, 317219, 634438, 770389, 1268876, 1540778, 3081556, 5392723, 10785446, 21570892]

約数ペア:

[(1, 21570892), (2, 10785446), (4, 5392723), (7, 3081556), (14, 1540778), (17, 1268876), (28, 770389), (34, 634438), (68, 317219), (119, 181268), (238, 90634), (476, 45317)]