21015738

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{14779}}^1$

素因数の和:14866

約数の個数: 24

約数和(自身を含む): 46113600

約数和(自身を除く): 25097862

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 14779, 29558, 44337, 88674, 133011, 266022, 1167541, 2335082, 3502623, 7005246, 10507869, 21015738]

約数ペア:

[(1, 21015738), (2, 10507869), (3, 7005246), (6, 3502623), (9, 2335082), (18, 1167541), (79, 266022), (158, 133011), (237, 88674), (474, 44337), (711, 29558), (1422, 14779)]