21242788660

素因数分解:

$2^2\times 5^1\times {\mathrm{5051}}^1\times {\mathrm{210283}}^1$

素因数の和:215343

約数の個数: 24

約数和(自身を含む): 44618900256

約数和(自身を除く): 23376111596

約数列:

[1, 2, 4, 5, 10, 20, 5051, 10102, 20204, 25255, 50510, 101020, 210283, 420566, 841132, 1051415, 2102830, 4205660, 1062139433, 2124278866, 4248557732, 5310697165, 10621394330, 21242788660]

約数ペア:

[(1, 21242788660), (2, 10621394330), (4, 5310697165), (5, 4248557732), (10, 2124278866), (20, 1062139433), (5051, 4205660), (10102, 2102830), (20204, 1051415), (25255, 841132), (50510, 420566), (101020, 210283)]