21768458

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3739}}^1$

素因数の和:3853

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 12160822

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3739, 5822, 7478, 153299, 265469, 306598, 530938, 10884229, 21768458]

約数ペア:

[(1, 21768458), (2, 10884229), (41, 530938), (71, 306598), (82, 265469), (142, 153299), (2911, 7478), (3739, 5822)]