21589080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179909}}^1$

素因数の和:179923

約数の個数: 32

約数和(自身を含む): 64767600

約数和(自身を除く): 43178520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179909, 359818, 539727, 719636, 899545, 1079454, 1439272, 1799090, 2158908, 2698635, 3598180, 4317816, 5397270, 7196360, 10794540, 21589080]

約数ペア:

[(1, 21589080), (2, 10794540), (3, 7196360), (4, 5397270), (5, 4317816), (6, 3598180), (8, 2698635), (10, 2158908), (12, 1799090), (15, 1439272), (20, 1079454), (24, 899545), (30, 719636), (40, 539727), (60, 359818), (120, 179909)]