21610666

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20047}}^1$

素因数の和:20074

約数の個数: 24

約数和(自身を含む): 41138496

約数和(自身を除く): 19527830

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20047, 40094, 140329, 220517, 280658, 441034, 982303, 1543619, 1964606, 3087238, 10805333, 21610666]

約数ペア:

[(1, 21610666), (2, 10805333), (7, 3087238), (11, 1964606), (14, 1543619), (22, 982303), (49, 441034), (77, 280658), (98, 220517), (154, 140329), (539, 40094), (1078, 20047)]