21749486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 36989568

約数和(自身を除く): 15240082

約数列:

[1, 2, 11, 22, 43, 83, 86, 166, 277, 473, 554, 913, 946, 1826, 3047, 3569, 6094, 7138, 11911, 22991, 23822, 39259, 45982, 78518, 131021, 252901, 262042, 505802, 988613, 1977226, 10874743, 21749486]

約数ペア:

[(1, 21749486), (2, 10874743), (11, 1977226), (22, 988613), (43, 505802), (83, 262042), (86, 252901), (166, 131021), (277, 78518), (473, 45982), (554, 39259), (913, 23822), (946, 22991), (1826, 11911), (3047, 7138), (3569, 6094)]