21809766

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{2731}}^1$

素因数の和:2769

約数の個数: 32

約数和(自身を含む): 47995776

約数和(自身を除く): 26186010

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 1331, 2662, 2731, 3993, 5462, 7986, 8193, 16386, 30041, 60082, 90123, 180246, 330451, 660902, 991353, 1982706, 3634961, 7269922, 10904883, 21809766]

約数ペア:

[(1, 21809766), (2, 10904883), (3, 7269922), (6, 3634961), (11, 1982706), (22, 991353), (33, 660902), (66, 330451), (121, 180246), (242, 90123), (363, 60082), (726, 30041), (1331, 16386), (2662, 8193), (2731, 7986), (3993, 5462)]