21857038

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9697}}^1$

素因数の和:9736

約数の個数: 24

約数和(自身を含む): 39800592

約数和(自身を除く): 17943554

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9697, 19394, 67879, 135758, 223031, 446062, 475153, 950306, 1561217, 3122434, 10928519, 21857038]

約数ペア:

[(1, 21857038), (2, 10928519), (7, 3122434), (14, 1561217), (23, 950306), (46, 475153), (49, 446062), (98, 223031), (161, 135758), (322, 67879), (1127, 19394), (2254, 9697)]