21736965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85243}}^1$

素因数の和:85268

約数の個数: 16

約数和(自身を含む): 36825408

約数和(自身を除く): 15088443

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 85243, 255729, 426215, 1278645, 1449131, 4347393, 7245655, 21736965]

約数ペア:

[(1, 21736965), (3, 7245655), (5, 4347393), (15, 1449131), (17, 1278645), (51, 426215), (85, 255729), (255, 85243)]