21955294

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2473}}^1$

素因数の和:2691

約数の個数: 16

約数和(自身を含む): 34556832

約数和(自身を除く): 12601538

約数列:

[1, 2, 23, 46, 193, 386, 2473, 4439, 4946, 8878, 56879, 113758, 477289, 954578, 10977647, 21955294]

約数ペア:

[(1, 21955294), (2, 10977647), (23, 954578), (46, 477289), (193, 113758), (386, 56879), (2473, 8878), (4439, 4946)]