21251540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46199}}^1$

素因数の和:46231

約数の個数: 24

約数和(自身を含む): 46569600

約数和(自身を除く): 25318060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46199, 92398, 184796, 230995, 461990, 923980, 1062577, 2125154, 4250308, 5312885, 10625770, 21251540]

約数ペア:

[(1, 21251540), (2, 10625770), (4, 5312885), (5, 4250308), (10, 2125154), (20, 1062577), (23, 923980), (46, 461990), (92, 230995), (115, 184796), (230, 92398), (460, 46199)]