21990147222

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{853}}^1\times {\mathrm{30911}}^1$

素因数の和:31908

約数の個数: 32

約数和(自身を含む): 44350064640

約数和(自身を除く): 22359917418

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 853, 1706, 2559, 5118, 30911, 61822, 92733, 118567, 185466, 237134, 355701, 711402, 4296629, 8593258, 12889887, 25779774, 26367083, 52734166, 79101249, 158202498, 3665024537, 7330049074, 10995073611, 21990147222]

約数ペア:

[(1, 21990147222), (2, 10995073611), (3, 7330049074), (6, 3665024537), (139, 158202498), (278, 79101249), (417, 52734166), (834, 26367083), (853, 25779774), (1706, 12889887), (2559, 8593258), (5118, 4296629), (30911, 711402), (61822, 355701), (92733, 237134), (118567, 185466)]