21041966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12107}}^1$

素因数の和:12199

約数の個数: 16

約数和(自身を含む): 34871040

約数和(自身を除く): 13829074

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12107, 24214, 133177, 266354, 956453, 1912906, 10520983, 21041966]

約数ペア:

[(1, 21041966), (2, 10520983), (11, 1912906), (22, 956453), (79, 266354), (158, 133177), (869, 24214), (1738, 12107)]