21217926

素因数分解:

$2^1\times 3^1\times {\mathrm{1571}}^1\times {\mathrm{2251}}^1$

素因数の和:3827

約数の個数: 16

約数和(自身を含む): 42481728

約数和(自身を除く): 21263802

約数列:

[1, 2, 3, 6, 1571, 2251, 3142, 4502, 4713, 6753, 9426, 13506, 3536321, 7072642, 10608963, 21217926]

約数ペア:

[(1, 21217926), (2, 10608963), (3, 7072642), (6, 3536321), (1571, 13506), (2251, 9426), (3142, 6753), (4502, 4713)]