21023679

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17923}}^1$

素因数の和:17966

約数の個数: 16

約数和(自身を含む): 30972672

約数和(自身を除く): 9948993

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 17923, 53769, 304691, 412229, 914073, 1236687, 7007893, 21023679]

約数ペア:

[(1, 21023679), (3, 7007893), (17, 1236687), (23, 914073), (51, 412229), (69, 304691), (391, 53769), (1173, 17923)]