21392848

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3491}}^1$

素因数の和:3882

約数の個数: 20

約数和(自身を含む): 41568768

約数和(自身を除く): 20175920

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 3491, 6128, 6982, 13964, 27928, 55856, 1337053, 2674106, 5348212, 10696424, 21392848]

約数ペア:

[(1, 21392848), (2, 10696424), (4, 5348212), (8, 2674106), (16, 1337053), (383, 55856), (766, 27928), (1532, 13964), (3064, 6982), (3491, 6128)]