21206562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271879}}^1$

素因数の和:271897

約数の個数: 16

約数和(自身を含む): 45675840

約数和(自身を除く): 24469278

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271879, 543758, 815637, 1631274, 3534427, 7068854, 10603281, 21206562]

約数ペア:

[(1, 21206562), (2, 10603281), (3, 7068854), (6, 3534427), (13, 1631274), (26, 815637), (39, 543758), (78, 271879)]