21330110

素因数分解:

$2^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1637}}^1$

素因数の和:2947

約数の個数: 16

約数和(自身を含む): 38447136

約数和(自身を除く): 17117026

約数列:

[1, 2, 5, 10, 1303, 1637, 2606, 3274, 6515, 8185, 13030, 16370, 2133011, 4266022, 10665055, 21330110]

約数ペア:

[(1, 21330110), (2, 10665055), (5, 4266022), (10, 2133011), (1303, 16370), (1637, 13030), (2606, 8185), (3274, 6515)]