21446728

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4813}}^1$

素因数の和:5376

約数の個数: 16

約数和(自身を含む): 40293180

約数和(自身を除く): 18846452

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4813, 9626, 19252, 38504, 2680841, 5361682, 10723364, 21446728]

約数ペア:

[(1, 21446728), (2, 10723364), (4, 5361682), (8, 2680841), (557, 38504), (1114, 19252), (2228, 9626), (4456, 4813)]