21343024

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{78467}}^1$

素因数の和:78492

約数の個数: 20

約数和(自身を含む): 43785144

約数和(自身を除く): 22442120

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 78467, 156934, 313868, 627736, 1255472, 1333939, 2667878, 5335756, 10671512, 21343024]

約数ペア:

[(1, 21343024), (2, 10671512), (4, 5335756), (8, 2667878), (16, 1333939), (17, 1255472), (34, 627736), (68, 313868), (136, 156934), (272, 78467)]