21151884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135589}}^1$

素因数の和:135609

約数の個数: 24

約数和(自身を含む): 53151280

約数和(自身を除く): 31999396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135589, 271178, 406767, 542356, 813534, 1627068, 1762657, 3525314, 5287971, 7050628, 10575942, 21151884]

約数ペア:

[(1, 21151884), (2, 10575942), (3, 7050628), (4, 5287971), (6, 3525314), (12, 1762657), (13, 1627068), (26, 813534), (39, 542356), (52, 406767), (78, 271178), (156, 135589)]