21359562

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11827}}^1$

素因数の和:11882

約数の個数: 32

約数和(自身を含む): 49961472

約数和(自身を除く): 28601910

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11827, 23654, 35481, 70962, 82789, 165578, 248367, 496734, 508561, 1017122, 1525683, 3051366, 3559927, 7119854, 10679781, 21359562]

約数ペア:

[(1, 21359562), (2, 10679781), (3, 7119854), (6, 3559927), (7, 3051366), (14, 1525683), (21, 1017122), (42, 508561), (43, 496734), (86, 248367), (129, 165578), (258, 82789), (301, 70962), (602, 35481), (903, 23654), (1806, 11827)]