21094465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31721}}^1$

素因数の和:31752

約数の個数: 16

約数和(自身を含む): 30453120

約数和(自身を除く): 9358655

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 31721, 158605, 222047, 602699, 1110235, 3013495, 4218893, 21094465]

約数ペア:

[(1, 21094465), (5, 4218893), (7, 3013495), (19, 1110235), (35, 602699), (95, 222047), (133, 158605), (665, 31721)]