21942291

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61463}}^1$

素因数の和:61490

約数の個数: 16

約数和(自身を含む): 35403264

約数和(自身を除く): 13460973

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 61463, 184389, 430241, 1044871, 1290723, 3134613, 7314097, 21942291]

約数ペア:

[(1, 21942291), (3, 7314097), (7, 3134613), (17, 1290723), (21, 1044871), (51, 430241), (119, 184389), (357, 61463)]