21796414

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{997}}^1$

素因数の和:1659

約数の個数: 16

約数和(自身を含む): 34706448

約数和(自身を除く): 12910034

約数列:

[1, 2, 17, 34, 643, 997, 1286, 1994, 10931, 16949, 21862, 33898, 641071, 1282142, 10898207, 21796414]

約数ペア:

[(1, 21796414), (2, 10898207), (17, 1282142), (34, 641071), (643, 33898), (997, 21862), (1286, 16949), (1994, 10931)]