21505836

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{853}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 55093248

約数和(自身を除く): 33587412

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 191, 382, 573, 764, 853, 1146, 1706, 2101, 2292, 2559, 3412, 4202, 5118, 6303, 8404, 9383, 10236, 12606, 18766, 25212, 28149, 37532, 56298, 112596, 162923, 325846, 488769, 651692, 977538, 1792153, 1955076, 3584306, 5376459, 7168612, 10752918, 21505836]

約数ペア:

[(1, 21505836), (2, 10752918), (3, 7168612), (4, 5376459), (6, 3584306), (11, 1955076), (12, 1792153), (22, 977538), (33, 651692), (44, 488769), (66, 325846), (132, 162923), (191, 112596), (382, 56298), (573, 37532), (764, 28149), (853, 25212), (1146, 18766), (1706, 12606), (2101, 10236), (2292, 9383), (2559, 8404), (3412, 6303), (4202, 5118)]