21739190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1847}}^1$

素因数の和:1972

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 21370954

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 1847, 2354, 3694, 5885, 9235, 11770, 18470, 20317, 40634, 101585, 197629, 203170, 395258, 988145, 1976290, 2173919, 4347838, 10869595, 21739190]

約数ペア:

[(1, 21739190), (2, 10869595), (5, 4347838), (10, 2173919), (11, 1976290), (22, 988145), (55, 395258), (107, 203170), (110, 197629), (214, 101585), (535, 40634), (1070, 20317), (1177, 18470), (1847, 11770), (2354, 9235), (3694, 5885)]