21297494

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{4327}}^1$

素因数の和:4459

約数の個数: 16

約数和(自身を含む): 33654528

約数和(自身を除く): 12357034

約数列:

[1, 2, 23, 46, 107, 214, 2461, 4327, 4922, 8654, 99521, 199042, 462989, 925978, 10648747, 21297494]

約数ペア:

[(1, 21297494), (2, 10648747), (23, 925978), (46, 462989), (107, 199042), (214, 99521), (2461, 8654), (4327, 4922)]