21554010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239489}}^1$

素因数の和:239502

約数の個数: 24

約数和(自身を含む): 56040660

約数和(自身を除く): 34486650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239489, 478978, 718467, 1197445, 1436934, 2155401, 2394890, 3592335, 4310802, 7184670, 10777005, 21554010]

約数ペア:

[(1, 21554010), (2, 10777005), (3, 7184670), (5, 4310802), (6, 3592335), (9, 2394890), (10, 2155401), (15, 1436934), (18, 1197445), (30, 718467), (45, 478978), (90, 239489)]