21119568

素因数分解:

$2^4\times 3^1\times {\mathrm{439991}}^1$

素因数の和:440002

約数の個数: 20

約数和(自身を含む): 54559008

約数和(自身を除く): 33439440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439991, 879982, 1319973, 1759964, 2639946, 3519928, 5279892, 7039856, 10559784, 21119568]

約数ペア:

[(1, 21119568), (2, 10559784), (3, 7039856), (4, 5279892), (6, 3519928), (8, 2639946), (12, 1759964), (16, 1319973), (24, 879982), (48, 439991)]