21701912

素因数分解:

$2^3\times {\mathrm{677}}^1\times {\mathrm{4007}}^1$

素因数の和:4690

約数の個数: 16

約数和(自身を含む): 40761360

約数和(自身を除く): 19059448

約数列:

[1, 2, 4, 8, 677, 1354, 2708, 4007, 5416, 8014, 16028, 32056, 2712739, 5425478, 10850956, 21701912]

約数ペア:

[(1, 21701912), (2, 10850956), (4, 5425478), (8, 2712739), (677, 32056), (1354, 16028), (2708, 8014), (4007, 5416)]