21777266

素因数分解:

$2^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{701}}^1$

素因数の和:1034

約数の個数: 24

約数和(自身を含む): 38173356

約数和(自身を除く): 16396090

約数列:

[1, 2, 7, 14, 49, 98, 317, 634, 701, 1402, 2219, 4438, 4907, 9814, 15533, 31066, 34349, 68698, 222217, 444434, 1555519, 3111038, 10888633, 21777266]

約数ペア:

[(1, 21777266), (2, 10888633), (7, 3111038), (14, 1555519), (49, 444434), (98, 222217), (317, 68698), (634, 34349), (701, 31066), (1402, 15533), (2219, 9814), (4438, 4907)]