21961663

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 23885280

約数和(自身を除く): 1923617

約数列:

[1, 19, 53, 113, 193, 1007, 2147, 3667, 5989, 10229, 21809, 113791, 194351, 414371, 1155877, 21961663]

約数ペア:

[(1, 21961663), (19, 1155877), (53, 414371), (113, 194351), (193, 113791), (1007, 21809), (2147, 10229), (3667, 5989)]