21167763716

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43735049}}^1$

素因数の和:43735075

約数の個数: 18

約数和(自身を含む): 40717331550

約数和(自身を除く): 19549567834

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 43735049, 87470098, 174940196, 481085539, 962171078, 1924342156, 5291940929, 10583881858, 21167763716]

約数ペア:

[(1, 21167763716), (2, 10583881858), (4, 5291940929), (11, 1924342156), (22, 962171078), (44, 481085539), (121, 174940196), (242, 87470098), (484, 43735049)]