21894774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331739}}^1$

素因数の和:331755

約数の個数: 16

約数和(自身を含む): 47770560

約数和(自身を除く): 25875786

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331739, 663478, 995217, 1990434, 3649129, 7298258, 10947387, 21894774]

約数ペア:

[(1, 21894774), (2, 10947387), (3, 7298258), (6, 3649129), (11, 1990434), (22, 995217), (33, 663478), (66, 331739)]