21497628

素因数分解:

$2^2\times 3^1\times {\mathrm{829}}^1\times {\mathrm{2161}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 50244880

約数和(自身を除く): 28747252

約数列:

[1, 2, 3, 4, 6, 12, 829, 1658, 2161, 2487, 3316, 4322, 4974, 6483, 8644, 9948, 12966, 25932, 1791469, 3582938, 5374407, 7165876, 10748814, 21497628]

約数ペア:

[(1, 21497628), (2, 10748814), (3, 7165876), (4, 5374407), (6, 3582938), (12, 1791469), (829, 25932), (1658, 12966), (2161, 9948), (2487, 8644), (3316, 6483), (4322, 4974)]