21412683

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 10456245

約数列:

[1, 3, 9, 47, 141, 223, 227, 423, 669, 681, 2007, 2043, 10481, 10669, 31443, 32007, 50621, 94329, 96021, 151863, 455589, 2379187, 7137561, 21412683]

約数ペア:

[(1, 21412683), (3, 7137561), (9, 2379187), (47, 455589), (141, 151863), (223, 96021), (227, 94329), (423, 50621), (669, 32007), (681, 31443), (2007, 10669), (2043, 10481)]