21000496980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350008283}}^1$

素因数の和:350008295

約数の個数: 24

約数和(自身を含む): 58801391712

約数和(自身を除く): 37800894732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350008283, 700016566, 1050024849, 1400033132, 1750041415, 2100049698, 3500082830, 4200099396, 5250124245, 7000165660, 10500248490, 21000496980]

約数ペア:

[(1, 21000496980), (2, 10500248490), (3, 7000165660), (4, 5250124245), (5, 4200099396), (6, 3500082830), (10, 2100049698), (12, 1750041415), (15, 1400033132), (20, 1050024849), (30, 700016566), (60, 350008283)]