21566836

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2211

約数の個数: 24

約数和(自身を含む): 39501000

約数和(自身を除く): 17934164

約数列:

[1, 2, 4, 29, 58, 89, 116, 178, 356, 2089, 2581, 4178, 5162, 8356, 10324, 60581, 121162, 185921, 242324, 371842, 743684, 5391709, 10783418, 21566836]

約数ペア:

[(1, 21566836), (2, 10783418), (4, 5391709), (29, 743684), (58, 371842), (89, 242324), (116, 185921), (178, 121162), (356, 60581), (2089, 10324), (2581, 8356), (4178, 5162)]