21040846

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2883

約数の個数: 16

約数和(自身を含む): 32670000

約数和(自身を除く): 11629154

約数列:

[1, 2, 43, 86, 89, 178, 2749, 3827, 5498, 7654, 118207, 236414, 244661, 489322, 10520423, 21040846]

約数ペア:

[(1, 21040846), (2, 10520423), (43, 489322), (86, 244661), (89, 236414), (178, 118207), (2749, 7654), (3827, 5498)]