21055694

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:712

約数の個数: 24

約数和(自身を含む): 34990704

約数和(自身を除く): 13935010

約数列:

[1, 2, 11, 22, 121, 167, 242, 334, 521, 1042, 1837, 3674, 5731, 11462, 20207, 40414, 63041, 87007, 126082, 174014, 957077, 1914154, 10527847, 21055694]

約数ペア:

[(1, 21055694), (2, 10527847), (11, 1914154), (22, 957077), (121, 174014), (167, 126082), (242, 87007), (334, 63041), (521, 40414), (1042, 20207), (1837, 11462), (3674, 5731)]