21257196

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{57143}}^1$

素因数の和:57181

約数の個数: 24

約数和(自身を含む): 51201024

約数和(自身を除く): 29943828

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 57143, 114286, 171429, 228572, 342858, 685716, 1771433, 3542866, 5314299, 7085732, 10628598, 21257196]

約数ペア:

[(1, 21257196), (2, 10628598), (3, 7085732), (4, 5314299), (6, 3542866), (12, 1771433), (31, 685716), (62, 342858), (93, 228572), (124, 171429), (186, 114286), (372, 57143)]