21915824

素因数分解:

$2^4\times 7^1\times {\mathrm{195677}}^1$

素因数の和:195692

約数の個数: 20

約数和(自身を含む): 48528144

約数和(自身を除く): 26612320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195677, 391354, 782708, 1369739, 1565416, 2739478, 3130832, 5478956, 10957912, 21915824]

約数ペア:

[(1, 21915824), (2, 10957912), (4, 5478956), (7, 3130832), (8, 2739478), (14, 1565416), (16, 1369739), (28, 782708), (56, 391354), (112, 195677)]