21111684

素因数分解:

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

素因数の和:159955

約数の個数: 24

約数和(自身を含む): 53739168

約数和(自身を除く): 32627484

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 159937, 319874, 479811, 639748, 959622, 1759307, 1919244, 3518614, 5277921, 7037228, 10555842, 21111684]

約数ペア:

[(1, 21111684), (2, 10555842), (3, 7037228), (4, 5277921), (6, 3518614), (11, 1919244), (12, 1759307), (22, 959622), (33, 639748), (44, 479811), (66, 319874), (132, 159937)]