21518024

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{557}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 44193600

約数和(自身を除く): 22675576

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 439, 557, 878, 1114, 1756, 2228, 3512, 4456, 4829, 6127, 9658, 12254, 19316, 24508, 38632, 49016, 244523, 489046, 978092, 1956184, 2689753, 5379506, 10759012, 21518024]

約数ペア:

[(1, 21518024), (2, 10759012), (4, 5379506), (8, 2689753), (11, 1956184), (22, 978092), (44, 489046), (88, 244523), (439, 49016), (557, 38632), (878, 24508), (1114, 19316), (1756, 12254), (2228, 9658), (3512, 6127), (4456, 4829)]