16840684

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4327}}^1$

素因数の和:4477

約数の個数: 24

約数和(自身を含む): 33931520

約数和(自身を除く): 17090836

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 4327, 8654, 17308, 30289, 60578, 121156, 601453, 1202906, 2405812, 4210171, 8420342, 16840684]

約数ペア:

[(1, 16840684), (2, 8420342), (4, 4210171), (7, 2405812), (14, 1202906), (28, 601453), (139, 121156), (278, 60578), (556, 30289), (973, 17308), (1946, 8654), (3892, 4327)]