21290478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{322583}}^1$

素因数の和:322599

約数の個数: 16

約数和(自身を含む): 46452096

約数和(自身を除く): 25161618

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 322583, 645166, 967749, 1935498, 3548413, 7096826, 10645239, 21290478]

約数ペア:

[(1, 21290478), (2, 10645239), (3, 7096826), (6, 3548413), (11, 1935498), (22, 967749), (33, 645166), (66, 322583)]