21998280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{183319}}^1$

素因数の和:183333

約数の個数: 32

約数和(自身を含む): 65995200

約数和(自身を除く): 43996920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 183319, 366638, 549957, 733276, 916595, 1099914, 1466552, 1833190, 2199828, 2749785, 3666380, 4399656, 5499570, 7332760, 10999140, 21998280]

約数ペア:

[(1, 21998280), (2, 10999140), (3, 7332760), (4, 5499570), (5, 4399656), (6, 3666380), (8, 2749785), (10, 2199828), (12, 1833190), (15, 1466552), (20, 1099914), (24, 916595), (30, 733276), (40, 549957), (60, 366638), (120, 183319)]