21755418

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{190837}}^1$

素因数の和:190861

約数の個数: 16

約数和(自身を含む): 45801120

約数和(自身を除く): 24045702

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 190837, 381674, 572511, 1145022, 3625903, 7251806, 10877709, 21755418]

約数ペア:

[(1, 21755418), (2, 10877709), (3, 7251806), (6, 3625903), (19, 1145022), (38, 572511), (57, 381674), (114, 190837)]