21676743

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{631}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 34310016

約数和(自身を除く): 12633273

約数列:

[1, 3, 9, 11, 33, 99, 347, 631, 1041, 1893, 3123, 3817, 5679, 6941, 11451, 20823, 34353, 62469, 218957, 656871, 1970613, 2408527, 7225581, 21676743]

約数ペア:

[(1, 21676743), (3, 7225581), (9, 2408527), (11, 1970613), (33, 656871), (99, 218957), (347, 62469), (631, 34353), (1041, 20823), (1893, 11451), (3123, 6941), (3817, 5679)]