21000978864

素因数分解:

$2^4\times 3^4\times {\mathrm{16204459}}^1$

素因数の和:16204479

約数の個数: 50

約数和(自身を含む): 60782929460

約数和(自身を除く): 39781950596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16204459, 32408918, 48613377, 64817836, 97226754, 129635672, 145840131, 194453508, 259271344, 291680262, 388907016, 437520393, 583360524, 777814032, 875040786, 1166721048, 1312561179, 1750081572, 2333442096, 2625122358, 3500163144, 5250244716, 7000326288, 10500489432, 21000978864]

約数ペア:

[(1, 21000978864), (2, 10500489432), (3, 7000326288), (4, 5250244716), (6, 3500163144), (8, 2625122358), (9, 2333442096), (12, 1750081572), (16, 1312561179), (18, 1166721048), (24, 875040786), (27, 777814032), (36, 583360524), (48, 437520393), (54, 388907016), (72, 291680262), (81, 259271344), (108, 194453508), (144, 145840131), (162, 129635672), (216, 97226754), (324, 64817836), (432, 48613377), (648, 32408918), (1296, 16204459)]