21163120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24049}}^1$

素因数の和:24073

約数の個数: 40

約数和(自身を含む): 53679600

約数和(自身を除く): 32516480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24049, 48098, 96196, 120245, 192392, 240490, 264539, 384784, 480980, 529078, 961960, 1058156, 1322695, 1923920, 2116312, 2645390, 4232624, 5290780, 10581560, 21163120]

約数ペア:

[(1, 21163120), (2, 10581560), (4, 5290780), (5, 4232624), (8, 2645390), (10, 2116312), (11, 1923920), (16, 1322695), (20, 1058156), (22, 961960), (40, 529078), (44, 480980), (55, 384784), (80, 264539), (88, 240490), (110, 192392), (176, 120245), (220, 96196), (440, 48098), (880, 24049)]