21892948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71081}}^1$

素因数の和:71103

約数の個数: 24

約数和(自身を含む): 47767104

約数和(自身を除く): 25874156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 71081, 142162, 284324, 497567, 781891, 995134, 1563782, 1990268, 3127564, 5473237, 10946474, 21892948]

約数ペア:

[(1, 21892948), (2, 10946474), (4, 5473237), (7, 3127564), (11, 1990268), (14, 1563782), (22, 995134), (28, 781891), (44, 497567), (77, 284324), (154, 142162), (308, 71081)]