21857630168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1553}}^1\times {\mathrm{159937}}^1$

素因数の和:161507

約数の個数: 32

約数和(自身を含む): 44737857360

約数和(自身を除く): 22880227192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1553, 3106, 6212, 12424, 17083, 34166, 68332, 136664, 159937, 319874, 639748, 1279496, 1759307, 3518614, 7037228, 14074456, 248382161, 496764322, 993528644, 1987057288, 2732203771, 5464407542, 10928815084, 21857630168]

約数ペア:

[(1, 21857630168), (2, 10928815084), (4, 5464407542), (8, 2732203771), (11, 1987057288), (22, 993528644), (44, 496764322), (88, 248382161), (1553, 14074456), (3106, 7037228), (6212, 3518614), (12424, 1759307), (17083, 1279496), (34166, 639748), (68332, 319874), (136664, 159937)]