21069130

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6037}}^1$

素因数の和:6393

約数の個数: 16

約数和(自身を含む): 38039400

約数和(自身を除く): 16970270

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 6037, 12074, 30185, 60370, 2106913, 4213826, 10534565, 21069130]

約数ペア:

[(1, 21069130), (2, 10534565), (5, 4213826), (10, 2106913), (349, 60370), (698, 30185), (1745, 12074), (3490, 6037)]