21630478

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1657}}^1$

素因数の和:1827

約数の個数: 16

約数和(自身を含む): 33305904

約数和(自身を除く): 11675426

約数列:

[1, 2, 61, 107, 122, 214, 1657, 3314, 6527, 13054, 101077, 177299, 202154, 354598, 10815239, 21630478]

約数ペア:

[(1, 21630478), (2, 10815239), (61, 354598), (107, 202154), (122, 177299), (214, 101077), (1657, 13054), (3314, 6527)]