21207010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192791}}^1$

素因数の和:192809

約数の個数: 16

約数和(自身を含む): 41643072

約数和(自身を除く): 20436062

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192791, 385582, 963955, 1927910, 2120701, 4241402, 10603505, 21207010]

約数ペア:

[(1, 21207010), (2, 10603505), (5, 4241402), (10, 2120701), (11, 1927910), (22, 963955), (55, 385582), (110, 192791)]