21152868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 33037212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 191, 382, 573, 764, 839, 1146, 1678, 2101, 2292, 2517, 3356, 4202, 5034, 6303, 8404, 9229, 10068, 12606, 18458, 25212, 27687, 36916, 55374, 110748, 160249, 320498, 480747, 640996, 961494, 1762739, 1922988, 3525478, 5288217, 7050956, 10576434, 21152868]

約数ペア:

[(1, 21152868), (2, 10576434), (3, 7050956), (4, 5288217), (6, 3525478), (11, 1922988), (12, 1762739), (22, 961494), (33, 640996), (44, 480747), (66, 320498), (132, 160249), (191, 110748), (382, 55374), (573, 36916), (764, 27687), (839, 25212), (1146, 18458), (1678, 12606), (2101, 10068), (2292, 9229), (2517, 8404), (3356, 6303), (4202, 5034)]