21575721

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2297}}^1$

素因数の和:2432

約数の個数: 16

約数和(自身を含む): 30002688

約数和(自身を除く): 8426967

約数列:

[1, 3, 31, 93, 101, 303, 2297, 3131, 6891, 9393, 71207, 213621, 231997, 695991, 7191907, 21575721]

約数ペア:

[(1, 21575721), (3, 7191907), (31, 695991), (93, 231997), (101, 213621), (303, 71207), (2297, 9393), (3131, 6891)]