21912170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313031}}^1$

素因数の和:313045

約数の個数: 16

約数和(自身を含む): 45076608

約数和(自身を除く): 23164438

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313031, 626062, 1565155, 2191217, 3130310, 4382434, 10956085, 21912170]

約数ペア:

[(1, 21912170), (2, 10956085), (5, 4382434), (7, 3130310), (10, 2191217), (14, 1565155), (35, 626062), (70, 313031)]