21396482

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1609}}^1$

素因数の和:1781

約数の個数: 16

約数和(自身を含む): 32940600

約数和(自身を除く): 11544118

約数列:

[1, 2, 61, 109, 122, 218, 1609, 3218, 6649, 13298, 98149, 175381, 196298, 350762, 10698241, 21396482]

約数ペア:

[(1, 21396482), (2, 10698241), (61, 350762), (109, 196298), (122, 175381), (218, 98149), (1609, 13298), (3218, 6649)]