21032487171

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{510361}}^1$

素因数の和:510627

約数の個数: 24

約数和(自身を含む): 32111977040

約数和(自身を除く): 11079489869

約数列:

[1, 3, 9, 19, 57, 171, 241, 723, 2169, 4579, 13737, 41211, 510361, 1531083, 4593249, 9696859, 29090577, 87271731, 122997001, 368991003, 1106973009, 2336943019, 7010829057, 21032487171]

約数ペア:

[(1, 21032487171), (3, 7010829057), (9, 2336943019), (19, 1106973009), (57, 368991003), (171, 122997001), (241, 87271731), (723, 29090577), (2169, 9696859), (4579, 4593249), (13737, 1531083), (41211, 510361)]