21552843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17827}}^1$

素因数の和:17874

約数の個数: 16

約数和(自身を含む): 31947776

約数和(自身を除く): 10394933

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 17827, 53481, 231751, 552637, 695253, 1657911, 7184281, 21552843]

約数ペア:

[(1, 21552843), (3, 7184281), (13, 1657911), (31, 695253), (39, 552637), (93, 231751), (403, 53481), (1209, 17827)]