21076069

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^3$

素因数の和:177

約数の個数: 16

約数和(自身を含む): 25459200

約数和(自身を除く): 4383131

約数列:

[1, 7, 29, 47, 203, 329, 1363, 2209, 9541, 15463, 64061, 103823, 448427, 726761, 3010867, 21076069]

約数ペア:

[(1, 21076069), (7, 3010867), (29, 726761), (47, 448427), (203, 103823), (329, 64061), (1363, 15463), (2209, 9541)]