21508674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{325889}}^1$

素因数の和:325905

約数の個数: 16

約数和(自身を含む): 46928160

約数和(自身を除く): 25419486

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 325889, 651778, 977667, 1955334, 3584779, 7169558, 10754337, 21508674]

約数ペア:

[(1, 21508674), (2, 10754337), (3, 7169558), (6, 3584779), (11, 1955334), (22, 977667), (33, 651778), (66, 325889)]