21406666

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1197

約数の個数: 16

約数和(自身を含む): 32799168

約数和(自身を除く): 11392502

約数列:

[1, 2, 73, 146, 151, 302, 971, 1942, 11023, 22046, 70883, 141766, 146621, 293242, 10703333, 21406666]

約数ペア:

[(1, 21406666), (2, 10703333), (73, 293242), (146, 146621), (151, 141766), (302, 70883), (971, 22046), (1942, 11023)]