21307716

素因数分解:

$2^2\times 3^2\times {\mathrm{591881}}^1$

素因数の和:591891

約数の個数: 18

約数和(自身を含む): 53861262

約数和(自身を除く): 32553546

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591881, 1183762, 1775643, 2367524, 3551286, 5326929, 7102572, 10653858, 21307716]

約数ペア:

[(1, 21307716), (2, 10653858), (3, 7102572), (4, 5326929), (6, 3551286), (9, 2367524), (12, 1775643), (18, 1183762), (36, 591881)]