11916639

素因数分解:

$3^4\times 7^1\times {\mathrm{21017}}^1$

素因数の和:21036

約数の個数: 20

約数和(自身を含む): 20345424

約数和(自身を除く): 8428785

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21017, 63051, 147119, 189153, 441357, 567459, 1324071, 1702377, 3972213, 11916639]

約数ペア:

[(1, 11916639), (3, 3972213), (7, 1702377), (9, 1324071), (21, 567459), (27, 441357), (63, 189153), (81, 147119), (189, 63051), (567, 21017)]