21648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:63

約数の個数: 40

約数和(自身を含む): 62496

約数和(自身を除く): 40848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 41, 44, 48, 66, 82, 88, 123, 132, 164, 176, 246, 264, 328, 451, 492, 528, 656, 902, 984, 1353, 1804, 1968, 2706, 3608, 5412, 7216, 10824, 21648]

約数ペア:

[(1, 21648), (2, 10824), (3, 7216), (4, 5412), (6, 3608), (8, 2706), (11, 1968), (12, 1804), (16, 1353), (22, 984), (24, 902), (33, 656), (41, 528), (44, 492), (48, 451), (66, 328), (82, 264), (88, 246), (123, 176), (132, 164)]