21410451

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 32014320

約数和(自身を除く): 10603869

約数列:

[1, 3, 9, 59, 61, 177, 183, 531, 549, 661, 1983, 3599, 5949, 10797, 32391, 38999, 40321, 116997, 120963, 350991, 362889, 2378939, 7136817, 21410451]

約数ペア:

[(1, 21410451), (3, 7136817), (9, 2378939), (59, 362889), (61, 350991), (177, 120963), (183, 116997), (531, 40321), (549, 38999), (661, 32391), (1983, 10797), (3599, 5949)]