21771596

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70687}}^1$

素因数の和:70709

約数の個数: 24

約数和(自身を含む): 47502336

約数和(自身を除く): 25730740

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70687, 141374, 282748, 494809, 777557, 989618, 1555114, 1979236, 3110228, 5442899, 10885798, 21771596]

約数ペア:

[(1, 21771596), (2, 10885798), (4, 5442899), (7, 3110228), (11, 1979236), (14, 1555114), (22, 989618), (28, 777557), (44, 494809), (77, 282748), (154, 141374), (308, 70687)]