21722385

素因数分解:

$3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3821}}^1$

素因数の和:4208

約数の個数: 16

約数和(自身を含む): 34856640

約数和(自身を除く): 13134255

約数列:

[1, 3, 5, 15, 379, 1137, 1895, 3821, 5685, 11463, 19105, 57315, 1448159, 4344477, 7240795, 21722385]

約数ペア:

[(1, 21722385), (3, 7240795), (5, 4344477), (15, 1448159), (379, 57315), (1137, 19105), (1895, 11463), (3821, 5685)]