21780834

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{77237}}^1$

素因数の和:77289

約数の個数: 16

約数和(自身を含む): 44489088

約数和(自身を除く): 22708254

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 77237, 154474, 231711, 463422, 3630139, 7260278, 10890417, 21780834]

約数ペア:

[(1, 21780834), (2, 10890417), (3, 7260278), (6, 3630139), (47, 463422), (94, 231711), (141, 154474), (282, 77237)]