21080490780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351341513}}^1$

素因数の和:351341525

約数の個数: 24

約数和(自身を含む): 59025374352

約数和(自身を除く): 37944883572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351341513, 702683026, 1054024539, 1405366052, 1756707565, 2108049078, 3513415130, 4216098156, 5270122695, 7026830260, 10540245390, 21080490780]

約数ペア:

[(1, 21080490780), (2, 10540245390), (3, 7026830260), (4, 5270122695), (5, 4216098156), (6, 3513415130), (10, 2108049078), (12, 1756707565), (15, 1405366052), (20, 1054024539), (30, 702683026), (60, 351341513)]