21588804

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7591}}^1$

素因数の和:7680

約数の個数: 36

約数和(自身を含む): 55269760

約数和(自身を除く): 33680956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7591, 15182, 22773, 30364, 45546, 68319, 91092, 136638, 273276, 599689, 1199378, 1799067, 2398756, 3598134, 5397201, 7196268, 10794402, 21588804]

約数ペア:

[(1, 21588804), (2, 10794402), (3, 7196268), (4, 5397201), (6, 3598134), (9, 2398756), (12, 1799067), (18, 1199378), (36, 599689), (79, 273276), (158, 136638), (237, 91092), (316, 68319), (474, 45546), (711, 30364), (948, 22773), (1422, 15182), (2844, 7591)]