21838638

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8329}}^1$

素因数の和:8376

約数の個数: 32

約数和(自身を含む): 47980800

約数和(自身を除く): 26142162

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 8329, 16658, 24987, 49974, 158251, 191567, 316502, 383134, 474753, 574701, 949506, 1149402, 3639773, 7279546, 10919319, 21838638]

約数ペア:

[(1, 21838638), (2, 10919319), (3, 7279546), (6, 3639773), (19, 1149402), (23, 949506), (38, 574701), (46, 474753), (57, 383134), (69, 316502), (114, 191567), (138, 158251), (437, 49974), (874, 24987), (1311, 16658), (2622, 8329)]