21576430

素因数分解:

$2^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{2609}}^1$

素因数の和:3443

約数の個数: 16

約数和(自身を含む): 38899440

約数和(自身を除く): 17323010

約数列:

[1, 2, 5, 10, 827, 1654, 2609, 4135, 5218, 8270, 13045, 26090, 2157643, 4315286, 10788215, 21576430]

約数ペア:

[(1, 21576430), (2, 10788215), (5, 4315286), (10, 2157643), (827, 26090), (1654, 13045), (2609, 8270), (4135, 5218)]