21447071487

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{827}}^1\times {\mathrm{41761}}^1$

素因数の和:42620

約数の個数: 32

約数和(自身を含む): 33195778560

約数和(自身を除く): 11748707073

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 827, 2481, 7443, 19021, 22329, 41761, 57063, 125283, 171189, 375849, 513567, 960503, 1127547, 2881509, 8644527, 25933581, 34536347, 103609041, 310827123, 794335981, 932481369, 2383007943, 7149023829, 21447071487]

約数ペア:

[(1, 21447071487), (3, 7149023829), (9, 2383007943), (23, 932481369), (27, 794335981), (69, 310827123), (207, 103609041), (621, 34536347), (827, 25933581), (2481, 8644527), (7443, 2881509), (19021, 1127547), (22329, 960503), (41761, 513567), (57063, 375849), (125283, 171189)]