21041210

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6029}}^1$

素因数の和:6385

約数の個数: 16

約数和(自身を含む): 37989000

約数和(自身を除く): 16947790

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 6029, 12058, 30145, 60290, 2104121, 4208242, 10520605, 21041210]

約数ペア:

[(1, 21041210), (2, 10520605), (5, 4208242), (10, 2104121), (349, 60290), (698, 30145), (1745, 12058), (3490, 6029)]