21088916

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{6269}}^1$

素因数の和:6331

約数の個数: 18

約数和(自身を含む): 38228190

約数和(自身を除く): 17139274

約数列:

[1, 2, 4, 29, 58, 116, 841, 1682, 3364, 6269, 12538, 25076, 181801, 363602, 727204, 5272229, 10544458, 21088916]

約数ペア:

[(1, 21088916), (2, 10544458), (4, 5272229), (29, 727204), (58, 363602), (116, 181801), (841, 25076), (1682, 12538), (3364, 6269)]