21729994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75979}}^1$

素因数の和:76005

約数の個数: 16

約数和(自身を含む): 38293920

約数和(自身を除く): 16563926

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75979, 151958, 835769, 987727, 1671538, 1975454, 10864997, 21729994]

約数ペア:

[(1, 21729994), (2, 10864997), (11, 1975454), (13, 1671538), (22, 987727), (26, 835769), (143, 151958), (286, 75979)]