21247246

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14533}}^1$

素因数の和:14595

約数の個数: 16

約数和(自身を含む): 34532784

約数和(自身を除く): 13285538

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14533, 29066, 247061, 494122, 624919, 1249838, 10623623, 21247246]

約数ペア:

[(1, 21247246), (2, 10623623), (17, 1249838), (34, 624919), (43, 494122), (86, 247061), (731, 29066), (1462, 14533)]