21685461

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33311}}^1$

素因数の和:33352

約数の個数: 16

約数和(自身を含む): 34111488

約数和(自身を除く): 12426027

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 33311, 99933, 233177, 699531, 1032641, 3097923, 7228487, 21685461]

約数ペア:

[(1, 21685461), (3, 7228487), (7, 3097923), (21, 1032641), (31, 699531), (93, 233177), (217, 99933), (651, 33311)]