21091092

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6947}}^1$

素因数の和:6988

約数の個数: 48

約数和(自身を含む): 56028672

約数和(自身を除く): 34937580

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 6947, 13894, 20841, 27788, 41682, 76417, 83364, 152834, 159781, 229251, 305668, 319562, 458502, 479343, 639124, 917004, 958686, 1757591, 1917372, 3515182, 5272773, 7030364, 10545546, 21091092]

約数ペア:

[(1, 21091092), (2, 10545546), (3, 7030364), (4, 5272773), (6, 3515182), (11, 1917372), (12, 1757591), (22, 958686), (23, 917004), (33, 639124), (44, 479343), (46, 458502), (66, 319562), (69, 305668), (92, 229251), (132, 159781), (138, 152834), (253, 83364), (276, 76417), (506, 41682), (759, 27788), (1012, 20841), (1518, 13894), (3036, 6947)]