21332091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17471}}^1$

素因数の和:17522

約数の個数: 16

約数和(自身を含む): 31868928

約数和(自身を除く): 10536837

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17471, 52413, 192181, 576543, 646427, 1939281, 7110697, 21332091]

約数ペア:

[(1, 21332091), (3, 7110697), (11, 1939281), (33, 646427), (37, 576543), (111, 192181), (407, 52413), (1221, 17471)]