2021400220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14438573}}^1$

素因数の和:14438589

約数の個数: 24

約数和(自身を含む): 4851360864

約数和(自身を除く): 2829960644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14438573, 28877146, 57754292, 72192865, 101070011, 144385730, 202140022, 288771460, 404280044, 505350055, 1010700110, 2021400220]

約数ペア:

[(1, 2021400220), (2, 1010700110), (4, 505350055), (5, 404280044), (7, 288771460), (10, 202140022), (14, 144385730), (20, 101070011), (28, 72192865), (35, 57754292), (70, 28877146), (140, 14438573)]