21976148

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5717}}^1$

素因数の和:5783

約数の個数: 18

約数和(自身を含む): 39745818

約数和(自身を除く): 17769670

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5717, 11434, 22868, 177227, 354454, 708908, 5494037, 10988074, 21976148]

約数ペア:

[(1, 21976148), (2, 10988074), (4, 5494037), (31, 708908), (62, 354454), (124, 177227), (961, 22868), (1922, 11434), (3844, 5717)]