21376045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7759}}^1$

素因数の和:7812

約数の個数: 16

約数和(自身を含む): 27936000

約数和(自身を除く): 6559955

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 7759, 38795, 147421, 225011, 737105, 1125055, 4275209, 21376045]

約数ペア:

[(1, 21376045), (5, 4275209), (19, 1125055), (29, 737105), (95, 225011), (145, 147421), (551, 38795), (2755, 7759)]