21052016

素因数分解:

$2^4\times {\mathrm{233}}^1\times {\mathrm{5647}}^1$

素因数の和:5888

約数の個数: 20

約数和(自身を含む): 40970592

約数和(自身を除く): 19918576

約数列:

[1, 2, 4, 8, 16, 233, 466, 932, 1864, 3728, 5647, 11294, 22588, 45176, 90352, 1315751, 2631502, 5263004, 10526008, 21052016]

約数ペア:

[(1, 21052016), (2, 10526008), (4, 5263004), (8, 2631502), (16, 1315751), (233, 90352), (466, 45176), (932, 22588), (1864, 11294), (3728, 5647)]