21513041

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3967}}^1$

素因数の和:4024

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 4199599

約数列:

[1, 11, 17, 29, 187, 319, 493, 3967, 5423, 43637, 67439, 115043, 741829, 1265473, 1955731, 21513041]

約数ペア:

[(1, 21513041), (11, 1955731), (17, 1265473), (29, 741829), (187, 115043), (319, 67439), (493, 43637), (3967, 5423)]