21322774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2417}}^1$

素因数の和:2831

約数の個数: 16

約数和(自身を含む): 34993296

約数和(自身を除く): 13670522

約数列:

[1, 2, 11, 22, 401, 802, 2417, 4411, 4834, 8822, 26587, 53174, 969217, 1938434, 10661387, 21322774]

約数ペア:

[(1, 21322774), (2, 10661387), (11, 1938434), (22, 969217), (401, 53174), (802, 26587), (2417, 8822), (4411, 4834)]