21415666

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 32650200

約数和(自身を除く): 11234534

約数列:

[1, 2, 109, 193, 218, 386, 509, 1018, 21037, 42074, 55481, 98237, 110962, 196474, 10707833, 21415666]

約数ペア:

[(1, 21415666), (2, 10707833), (109, 196474), (193, 110962), (218, 98237), (386, 55481), (509, 42074), (1018, 21037)]