21241115

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9949}}^1$

素因数の和:10022

約数の個数: 16

約数和(自身を含む): 29611200

約数和(自身を除く): 8370085

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9949, 49745, 69643, 348215, 606889, 3034445, 4248223, 21241115]

約数ペア:

[(1, 21241115), (5, 4248223), (7, 3034445), (35, 606889), (61, 348215), (305, 69643), (427, 49745), (2135, 9949)]