21843404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{45131}}^1$

素因数の和:45157

約数の個数: 18

約数和(自身を含む): 42017892

約数和(自身を除く): 20174488

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 45131, 90262, 180524, 496441, 992882, 1985764, 5460851, 10921702, 21843404]

約数ペア:

[(1, 21843404), (2, 10921702), (4, 5460851), (11, 1985764), (22, 992882), (44, 496441), (121, 180524), (242, 90262), (484, 45131)]