21378324

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161957}}^1$

素因数の和:161975

約数の個数: 24

約数和(自身を含む): 54417888

約数和(自身を除く): 33039564

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161957, 323914, 485871, 647828, 971742, 1781527, 1943484, 3563054, 5344581, 7126108, 10689162, 21378324]

約数ペア:

[(1, 21378324), (2, 10689162), (3, 7126108), (4, 5344581), (6, 3563054), (11, 1943484), (12, 1781527), (22, 971742), (33, 647828), (44, 485871), (66, 323914), (132, 161957)]