21082576

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21601}}^1$

素因数の和:21670

約数の個数: 20

約数和(自身を含む): 41519044

約数和(自身を除く): 20436468

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21601, 43202, 86404, 172808, 345616, 1317661, 2635322, 5270644, 10541288, 21082576]

約数ペア:

[(1, 21082576), (2, 10541288), (4, 5270644), (8, 2635322), (16, 1317661), (61, 345616), (122, 172808), (244, 86404), (488, 43202), (976, 21601)]