21204806

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{48859}}^1$

素因数の和:48899

約数の個数: 16

約数和(自身を含む): 37524480

約数和(自身を除く): 16319674

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 48859, 97718, 342013, 684026, 1514629, 3029258, 10602403, 21204806]

約数ペア:

[(1, 21204806), (2, 10602403), (7, 3029258), (14, 1514629), (31, 684026), (62, 342013), (217, 97718), (434, 48859)]