21282016

素因数分解:

$2^5\times 7^1\times {\mathrm{95009}}^1$

素因数の和:95026

約数の個数: 24

約数和(自身を含む): 47885040

約数和(自身を除く): 26603024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 95009, 190018, 380036, 665063, 760072, 1330126, 1520144, 2660252, 3040288, 5320504, 10641008, 21282016]

約数ペア:

[(1, 21282016), (2, 10641008), (4, 5320504), (7, 3040288), (8, 2660252), (14, 1520144), (16, 1330126), (28, 760072), (32, 665063), (56, 380036), (112, 190018), (224, 95009)]