21868353

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{62303}}^1$

素因数の和:62325

約数の個数: 16

約数和(自身を含む): 34890240

約数和(自身を除く): 13021887

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 62303, 186909, 560727, 809939, 1682181, 2429817, 7289451, 21868353]

約数ペア:

[(1, 21868353), (3, 7289451), (9, 2429817), (13, 1682181), (27, 809939), (39, 560727), (117, 186909), (351, 62303)]