21017678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56197}}^1$

素因数の和:56227

約数の個数: 16

約数和(自身を含む): 36416304

約数和(自身を除く): 15398626

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56197, 112394, 618167, 955349, 1236334, 1910698, 10508839, 21017678]

約数ペア:

[(1, 21017678), (2, 10508839), (11, 1910698), (17, 1236334), (22, 955349), (34, 618167), (187, 112394), (374, 56197)]