21513723

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{93133}}^1$

素因数の和:93154

約数の個数: 16

約数和(自身を含む): 35763456

約数和(自身を除く): 14249733

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 93133, 279399, 651931, 1024463, 1955793, 3073389, 7171241, 21513723]

約数ペア:

[(1, 21513723), (3, 7171241), (7, 3073389), (11, 1955793), (21, 1024463), (33, 651931), (77, 279399), (231, 93133)]