21609052

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1217}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 39697056

約数和(自身を除く): 18088004

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 1217, 2434, 4439, 4868, 8878, 17756, 27991, 55982, 111964, 234881, 469762, 939524, 5402263, 10804526, 21609052]

約数ペア:

[(1, 21609052), (2, 10804526), (4, 5402263), (23, 939524), (46, 469762), (92, 234881), (193, 111964), (386, 55982), (772, 27991), (1217, 17756), (2434, 8878), (4439, 4868)]