21241048

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24359}}^1$

素因数の和:24474

約数の個数: 16

約数和(自身を含む): 40194000

約数和(自身を除く): 18952952

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24359, 48718, 97436, 194872, 2655131, 5310262, 10620524, 21241048]

約数ペア:

[(1, 21241048), (2, 10620524), (4, 5310262), (8, 2655131), (109, 194872), (218, 97436), (436, 48718), (872, 24359)]