2100081837

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{751909}}^1$

素因数の和:751945

約数の個数: 24

約数和(自身を含む): 3428709600

約数和(自身を除く): 1328627763

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 751909, 2255727, 5263363, 14286271, 15790089, 36843541, 42858813, 100003897, 110530623, 300011691, 700027279, 2100081837]

約数ペア:

[(1, 2100081837), (3, 700027279), (7, 300011691), (19, 110530623), (21, 100003897), (49, 42858813), (57, 36843541), (133, 15790089), (147, 14286271), (399, 5263363), (931, 2255727), (2793, 751909)]