21431769

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3643}}^1$

素因数の和:3736

約数の個数: 16

約数和(自身を含む): 29909952

約数和(自身を除く): 8478183

約数列:

[1, 3, 37, 53, 111, 159, 1961, 3643, 5883, 10929, 134791, 193079, 404373, 579237, 7143923, 21431769]

約数ペア:

[(1, 21431769), (3, 7143923), (37, 579237), (53, 404373), (111, 193079), (159, 134791), (1961, 10929), (3643, 5883)]