21132286

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{14107}}^1$

素因数の和:14223

約数の個数: 16

約数和(自身を含む): 36567936

約数和(自身を除く): 15435650

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 14107, 28214, 98749, 197498, 1509449, 3018898, 10566143, 21132286]

約数ペア:

[(1, 21132286), (2, 10566143), (7, 3018898), (14, 1509449), (107, 197498), (214, 98749), (749, 28214), (1498, 14107)]