21064263

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1481}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 30730752

約数和(自身を除く): 9666489

約数列:

[1, 3, 11, 33, 431, 1293, 1481, 4443, 4741, 14223, 16291, 48873, 638311, 1914933, 7021421, 21064263]

約数ペア:

[(1, 21064263), (3, 7021421), (11, 1914933), (33, 638311), (431, 48873), (1293, 16291), (1481, 14223), (4443, 4741)]