21951180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121951}}^1$

素因数の和:121966

約数の個数: 36

約数和(自身を含む): 66585792

約数和(自身を除く): 44634612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121951, 243902, 365853, 487804, 609755, 731706, 1097559, 1219510, 1463412, 1829265, 2195118, 2439020, 3658530, 4390236, 5487795, 7317060, 10975590, 21951180]

約数ペア:

[(1, 21951180), (2, 10975590), (3, 7317060), (4, 5487795), (5, 4390236), (6, 3658530), (9, 2439020), (10, 2195118), (12, 1829265), (15, 1463412), (18, 1219510), (20, 1097559), (30, 731706), (36, 609755), (45, 487804), (60, 365853), (90, 243902), (180, 121951)]