21492170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307031}}^1$

素因数の和:307045

約数の個数: 16

約数和(自身を含む): 44212608

約数和(自身を除く): 22720438

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307031, 614062, 1535155, 2149217, 3070310, 4298434, 10746085, 21492170]

約数ペア:

[(1, 21492170), (2, 10746085), (5, 4298434), (7, 3070310), (10, 2149217), (14, 1535155), (35, 614062), (70, 307031)]