21685708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{5081}}^1$

素因数の和:5193

約数の個数: 24

約数和(自身を含む): 41835024

約数和(自身を除く): 20149316

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 5081, 10162, 20324, 55891, 111782, 223564, 492857, 985714, 1971428, 5421427, 10842854, 21685708]

約数ペア:

[(1, 21685708), (2, 10842854), (4, 5421427), (11, 1971428), (22, 985714), (44, 492857), (97, 223564), (194, 111782), (388, 55891), (1067, 20324), (2134, 10162), (4268, 5081)]