21527051

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 27546624

約数和(自身を除く): 6019573

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 587, 1183, 2821, 4109, 5239, 7631, 18197, 36673, 53417, 99203, 127379, 236561, 694421, 1655927, 3075293, 21527051]

約数ペア:

[(1, 21527051), (7, 3075293), (13, 1655927), (31, 694421), (91, 236561), (169, 127379), (217, 99203), (403, 53417), (587, 36673), (1183, 18197), (2821, 7631), (4109, 5239)]