21112203

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34667}}^1$

素因数の和:34706

約数の個数: 16

約数和(自身を含む): 33281280

約数和(自身を除く): 12169077

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 34667, 104001, 242669, 728007, 1005343, 3016029, 7037401, 21112203]

約数ペア:

[(1, 21112203), (3, 7037401), (7, 3016029), (21, 1005343), (29, 728007), (87, 242669), (203, 104001), (609, 34667)]