21112113

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37633}}^1$

素因数の和:37664

約数の個数: 16

約数和(自身を含む): 32515776

約数和(自身を除く): 11403663

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37633, 112899, 413963, 639761, 1241889, 1919283, 7037371, 21112113]

約数ペア:

[(1, 21112113), (3, 7037371), (11, 1919283), (17, 1241889), (33, 639761), (51, 413963), (187, 112899), (561, 37633)]