21742074

素因数分解:

$2^1\times 3^3\times {\mathrm{402631}}^1$

素因数の和:402642

約数の個数: 16

約数和(自身を含む): 48315840

約数和(自身を除く): 26573766

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 402631, 805262, 1207893, 2415786, 3623679, 7247358, 10871037, 21742074]

約数ペア:

[(1, 21742074), (2, 10871037), (3, 7247358), (6, 3623679), (9, 2415786), (18, 1207893), (27, 805262), (54, 402631)]