21759116

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{739}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 40466160

約数和(自身を除く): 18707044

約数列:

[1, 2, 4, 17, 34, 68, 433, 739, 866, 1478, 1732, 2956, 7361, 12563, 14722, 25126, 29444, 50252, 319987, 639974, 1279948, 5439779, 10879558, 21759116]

約数ペア:

[(1, 21759116), (2, 10879558), (4, 5439779), (17, 1279948), (34, 639974), (68, 319987), (433, 50252), (739, 29444), (866, 25126), (1478, 14722), (1732, 12563), (2956, 7361)]