21597233

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 25784064

約数和(自身を除く): 4186831

約数列:

[1, 7, 37, 61, 259, 427, 1367, 2257, 9569, 15799, 50579, 83387, 354053, 583709, 3085319, 21597233]

約数ペア:

[(1, 21597233), (7, 3085319), (37, 583709), (61, 354053), (259, 83387), (427, 50579), (1367, 15799), (2257, 9569)]