21729357

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 14074803

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 1997, 3627, 5991, 10881, 17973, 25961, 53919, 61907, 77883, 185721, 233649, 557163, 700947, 804791, 1671489, 2414373, 7243119, 21729357]

約数ペア:

[(1, 21729357), (3, 7243119), (9, 2414373), (13, 1671489), (27, 804791), (31, 700947), (39, 557163), (93, 233649), (117, 185721), (279, 77883), (351, 61907), (403, 53919), (837, 25961), (1209, 17973), (1997, 10881), (3627, 5991)]