21609834

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{156593}}^1$

素因数の和:156621

約数の個数: 16

約数和(自身を含む): 45099072

約数和(自身を除く): 23489238

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 156593, 313186, 469779, 939558, 3601639, 7203278, 10804917, 21609834]

約数ペア:

[(1, 21609834), (2, 10804917), (3, 7203278), (6, 3601639), (23, 939558), (46, 469779), (69, 313186), (138, 156593)]