21119222

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29251}}^1$

素因数の和:29291

約数の個数: 12

約数和(自身を含む): 33435036

約数和(自身を除く): 12315814

約数列:

[1, 2, 19, 38, 361, 722, 29251, 58502, 555769, 1111538, 10559611, 21119222]

約数ペア:

[(1, 21119222), (2, 10559611), (19, 1111538), (38, 555769), (361, 58502), (722, 29251)]