21323038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15889}}^1$

素因数の和:15963

約数の個数: 16

約数和(自身を含む): 35466480

約数和(自身を除く): 14143442

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15889, 31778, 174779, 349558, 969229, 1938458, 10661519, 21323038]

約数ペア:

[(1, 21323038), (2, 10661519), (11, 1938458), (22, 969229), (61, 349558), (122, 174779), (671, 31778), (1342, 15889)]