21755340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120863}}^1$

素因数の和:120878

約数の個数: 36

約数和(自身を含む): 65991744

約数和(自身を除く): 44236404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120863, 241726, 362589, 483452, 604315, 725178, 1087767, 1208630, 1450356, 1812945, 2175534, 2417260, 3625890, 4351068, 5438835, 7251780, 10877670, 21755340]

約数ペア:

[(1, 21755340), (2, 10877670), (3, 7251780), (4, 5438835), (5, 4351068), (6, 3625890), (9, 2417260), (10, 2175534), (12, 1812945), (15, 1450356), (18, 1208630), (20, 1087767), (30, 725178), (36, 604315), (45, 483452), (60, 362589), (90, 241726), (180, 120863)]