21767600

素因数分解:

$2^4\times 5^2\times {\mathrm{54419}}^1$

素因数の和:54437

約数の個数: 30

約数和(自身を含む): 52297620

約数和(自身を除く): 30530020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54419, 108838, 217676, 272095, 435352, 544190, 870704, 1088380, 1360475, 2176760, 2720950, 4353520, 5441900, 10883800, 21767600]

約数ペア:

[(1, 21767600), (2, 10883800), (4, 5441900), (5, 4353520), (8, 2720950), (10, 2176760), (16, 1360475), (20, 1088380), (25, 870704), (40, 544190), (50, 435352), (80, 272095), (100, 217676), (200, 108838), (400, 54419)]