21641356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3301}}^1$

素因数の和:3465

約数の個数: 24

約数和(自身を含む): 41605200

約数和(自身を除く): 19963844

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3278, 3301, 6556, 6602, 13204, 36311, 72622, 145244, 491849, 983698, 1967396, 5410339, 10820678, 21641356]

約数ペア:

[(1, 21641356), (2, 10820678), (4, 5410339), (11, 1967396), (22, 983698), (44, 491849), (149, 145244), (298, 72622), (596, 36311), (1639, 13204), (3278, 6602), (3301, 6556)]