21166222

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137443}}^1$

素因数の和:137463

約数の個数: 16

約数和(自身を含む): 39583872

約数和(自身を除く): 18417650

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137443, 274886, 962101, 1511873, 1924202, 3023746, 10583111, 21166222]

約数ペア:

[(1, 21166222), (2, 10583111), (7, 3023746), (11, 1924202), (14, 1511873), (22, 962101), (77, 274886), (154, 137443)]