21544155

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2269}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 37536720

約数和(自身を除く): 15992565

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2269, 3165, 6807, 9495, 11345, 20421, 34035, 102105, 478759, 1436277, 2393795, 4308831, 7181385, 21544155]

約数ペア:

[(1, 21544155), (3, 7181385), (5, 4308831), (9, 2393795), (15, 1436277), (45, 478759), (211, 102105), (633, 34035), (1055, 20421), (1899, 11345), (2269, 9495), (3165, 6807)]