21106052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6571}}^1$

素因数の和:6659

約数の個数: 24

約数和(自身を含む): 40851552

約数和(自身を除く): 19745500

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6571, 13142, 26284, 72281, 144562, 289124, 479683, 959366, 1918732, 5276513, 10553026, 21106052]

約数ペア:

[(1, 21106052), (2, 10553026), (4, 5276513), (11, 1918732), (22, 959366), (44, 479683), (73, 289124), (146, 144562), (292, 72281), (803, 26284), (1606, 13142), (3212, 6571)]