21277070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 40504320

約数和(自身を除く): 19227250

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1171, 1817, 2342, 3634, 5855, 9085, 11710, 18170, 26933, 53866, 92509, 134665, 185018, 269330, 462545, 925090, 2127707, 4255414, 10638535, 21277070]

約数ペア:

[(1, 21277070), (2, 10638535), (5, 4255414), (10, 2127707), (23, 925090), (46, 462545), (79, 269330), (115, 185018), (158, 134665), (230, 92509), (395, 53866), (790, 26933), (1171, 18170), (1817, 11710), (2342, 9085), (3634, 5855)]