21447099040

素因数分解:

$2^5\times 5^1\times {\mathrm{134044369}}^1$

素因数の和:134044384

約数の個数: 24

約数和(自身を含む): 50668771860

約数和(自身を除く): 29221672820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 134044369, 268088738, 536177476, 670221845, 1072354952, 1340443690, 2144709904, 2680887380, 4289419808, 5361774760, 10723549520, 21447099040]

約数ペア:

[(1, 21447099040), (2, 10723549520), (4, 5361774760), (5, 4289419808), (8, 2680887380), (10, 2144709904), (16, 1340443690), (20, 1072354952), (32, 670221845), (40, 536177476), (80, 268088738), (160, 134044369)]