21266672

素因数分解:

$2^4\times 7^1\times {\mathrm{189881}}^1$

素因数の和:189896

約数の個数: 20

約数和(自身を含む): 47090736

約数和(自身を除く): 25824064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189881, 379762, 759524, 1329167, 1519048, 2658334, 3038096, 5316668, 10633336, 21266672]

約数ペア:

[(1, 21266672), (2, 10633336), (4, 5316668), (7, 3038096), (8, 2658334), (14, 1519048), (16, 1329167), (28, 759524), (56, 379762), (112, 189881)]