21313053

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139301}}^1$

素因数の和:139324

約数の個数: 12

約数和(自身を含む): 32596668

約数和(自身を除く): 11283615

約数列:

[1, 3, 9, 17, 51, 153, 139301, 417903, 1253709, 2368117, 7104351, 21313053]

約数ペア:

[(1, 21313053), (3, 7104351), (9, 2368117), (17, 1253709), (51, 417903), (153, 139301)]