21165716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37003}}^1$

素因数の和:37031

約数の個数: 24

約数和(自身を含む): 43516704

約数和(自身を除く): 22350988

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37003, 74006, 148012, 407033, 481039, 814066, 962078, 1628132, 1924156, 5291429, 10582858, 21165716]

約数ペア:

[(1, 21165716), (2, 10582858), (4, 5291429), (11, 1924156), (13, 1628132), (22, 962078), (26, 814066), (44, 481039), (52, 407033), (143, 148012), (286, 74006), (572, 37003)]