21053588

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5477}}^1$

素因数の和:5543

約数の個数: 18

約数和(自身を含む): 38077578

約数和(自身を除く): 17023990

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5477, 10954, 21908, 169787, 339574, 679148, 5263397, 10526794, 21053588]

約数ペア:

[(1, 21053588), (2, 10526794), (4, 5263397), (31, 679148), (62, 339574), (124, 169787), (961, 21908), (1922, 10954), (3844, 5477)]