42804321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107279}}^1$

素因数の和:107308

約数の個数: 16

約数和(自身を含む): 68659200

約数和(自身を除く): 25854879

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 107279, 321837, 750953, 2038301, 2252859, 6114903, 14268107, 42804321]

約数ペア:

[(1, 42804321), (3, 14268107), (7, 6114903), (19, 2252859), (21, 2038301), (57, 750953), (133, 321837), (399, 107279)]