21330387

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5881}}^1$

素因数の和:5931

約数の個数: 24

約数和(自身を含む): 34256768

約数和(自身を除く): 12926381

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5881, 17643, 52929, 76453, 182311, 229359, 546933, 688077, 1640799, 2370043, 7110129, 21330387]

約数ペア:

[(1, 21330387), (3, 7110129), (9, 2370043), (13, 1640799), (31, 688077), (39, 546933), (93, 229359), (117, 182311), (279, 76453), (403, 52929), (1209, 17643), (3627, 5881)]