21561542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33377}}^1$

素因数の和:33415

約数の個数: 16

約数和(自身を含む): 36048240

約数和(自身を除く): 14486698

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 33377, 66754, 567409, 634163, 1134818, 1268326, 10780771, 21561542]

約数ペア:

[(1, 21561542), (2, 10780771), (17, 1268326), (19, 1134818), (34, 634163), (38, 567409), (323, 66754), (646, 33377)]