21869331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17911}}^1$

素因数の和:17962

約数の個数: 16

約数和(自身を含む): 32671488

約数和(自身を除く): 10802157

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17911, 53733, 197021, 591063, 662707, 1988121, 7289777, 21869331]

約数ペア:

[(1, 21869331), (3, 7289777), (11, 1988121), (33, 662707), (37, 591063), (111, 197021), (407, 53733), (1221, 17911)]