21831010

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4289}}^1$

素因数の和:4805

約数の個数: 16

約数和(自身を含む): 39382200

約数和(自身を除く): 17551190

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 4289, 5090, 8578, 21445, 42890, 2183101, 4366202, 10915505, 21831010]

約数ペア:

[(1, 21831010), (2, 10915505), (5, 4366202), (10, 2183101), (509, 42890), (1018, 21445), (2545, 8578), (4289, 5090)]