21006798

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205949}}^1$

素因数の和:205971

約数の個数: 16

約数和(自身を含む): 44485200

約数和(自身を除く): 23478402

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205949, 411898, 617847, 1235694, 3501133, 7002266, 10503399, 21006798]

約数ペア:

[(1, 21006798), (2, 10503399), (3, 7002266), (6, 3501133), (17, 1235694), (34, 617847), (51, 411898), (102, 205949)]