2181902830

素因数分解:

$2^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{290533}}^1$

素因数の和:291291

約数の個数: 16

約数和(自身を含む): 3932668224

約数和(自身を除く): 1750765394

約数列:

[1, 2, 5, 10, 751, 1502, 3755, 7510, 290533, 581066, 1452665, 2905330, 218190283, 436380566, 1090951415, 2181902830]

約数ペア:

[(1, 2181902830), (2, 1090951415), (5, 436380566), (10, 218190283), (751, 2905330), (1502, 1452665), (3755, 581066), (7510, 290533)]