21159724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1811}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 38965248

約数和(自身を除く): 17805524

約数列:

[1, 2, 4, 23, 46, 92, 127, 254, 508, 1811, 2921, 3622, 5842, 7244, 11684, 41653, 83306, 166612, 229997, 459994, 919988, 5289931, 10579862, 21159724]

約数ペア:

[(1, 21159724), (2, 10579862), (4, 5289931), (23, 919988), (46, 459994), (92, 229997), (127, 166612), (254, 83306), (508, 41653), (1811, 11684), (2921, 7244), (3622, 5842)]