21238030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193073}}^1$

素因数の和:193091

約数の個数: 16

約数和(自身を含む): 41703984

約数和(自身を除く): 20465954

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193073, 386146, 965365, 1930730, 2123803, 4247606, 10619015, 21238030]

約数ペア:

[(1, 21238030), (2, 10619015), (5, 4247606), (10, 2123803), (11, 1930730), (22, 965365), (55, 386146), (110, 193073)]