21084318

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{68903}}^1$

素因数の和:68928

約数の個数: 24

約数和(自身を含む): 48370608

約数和(自身を除く): 27286290

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 68903, 137806, 206709, 413418, 620127, 1171351, 1240254, 2342702, 3514053, 7028106, 10542159, 21084318]

約数ペア:

[(1, 21084318), (2, 10542159), (3, 7028106), (6, 3514053), (9, 2342702), (17, 1240254), (18, 1171351), (34, 620127), (51, 413418), (102, 206709), (153, 137806), (306, 68903)]