21870780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364513}}^1$

素因数の和:364525

約数の個数: 24

約数和(自身を含む): 61238352

約数和(自身を除く): 39367572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364513, 729026, 1093539, 1458052, 1822565, 2187078, 3645130, 4374156, 5467695, 7290260, 10935390, 21870780]

約数ペア:

[(1, 21870780), (2, 10935390), (3, 7290260), (4, 5467695), (5, 4374156), (6, 3645130), (10, 2187078), (12, 1822565), (15, 1458052), (20, 1093539), (30, 729026), (60, 364513)]