21697466

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41887}}^1$

素因数の和:41933

約数の個数: 16

約数和(自身を含む): 38201856

約数和(自身を除く): 16504390

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 41887, 83774, 293209, 586418, 1549819, 3099638, 10848733, 21697466]

約数ペア:

[(1, 21697466), (2, 10848733), (7, 3099638), (14, 1549819), (37, 586418), (74, 293209), (259, 83774), (518, 41887)]