21770518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{379}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 40930560

約数和(自身を除く): 19160042

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 373, 379, 746, 758, 2611, 2653, 4103, 4169, 5222, 5306, 8206, 8338, 28721, 29183, 57442, 58366, 141367, 282734, 989569, 1555037, 1979138, 3110074, 10885259, 21770518]

約数ペア:

[(1, 21770518), (2, 10885259), (7, 3110074), (11, 1979138), (14, 1555037), (22, 989569), (77, 282734), (154, 141367), (373, 58366), (379, 57442), (746, 29183), (758, 28721), (2611, 8338), (2653, 8206), (4103, 5306), (4169, 5222)]