21280886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23593}}^1$

素因数の和:23647

約数の個数: 16

約数和(自身を含む): 35674128

約数和(自身を除く): 14393242

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23593, 47186, 259523, 519046, 967313, 1934626, 10640443, 21280886]

約数ペア:

[(1, 21280886), (2, 10640443), (11, 1934626), (22, 967313), (41, 519046), (82, 259523), (451, 47186), (902, 23593)]