21395988

素因数分解:

$2^2\times 3^4\times {\mathrm{66037}}^1$

素因数の和:66053

約数の個数: 30

約数和(自身を含む): 55934186

約数和(自身を除く): 34538198

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 66037, 132074, 198111, 264148, 396222, 594333, 792444, 1188666, 1782999, 2377332, 3565998, 5348997, 7131996, 10697994, 21395988]

約数ペア:

[(1, 21395988), (2, 10697994), (3, 7131996), (4, 5348997), (6, 3565998), (9, 2377332), (12, 1782999), (18, 1188666), (27, 792444), (36, 594333), (54, 396222), (81, 264148), (108, 198111), (162, 132074), (324, 66037)]