21869819135

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1\times {\mathrm{79283}}^1$

素因数の和:80614

約数の個数: 16

約数和(自身を含む): 26875373184

約数和(自身を除く): 5005554049

約数列:

[1, 5, 43, 215, 1283, 6415, 55169, 79283, 275845, 396415, 3409169, 17045845, 101720089, 508600445, 4373963827, 21869819135]

約数ペア:

[(1, 21869819135), (5, 4373963827), (43, 508600445), (215, 101720089), (1283, 17045845), (6415, 3409169), (55169, 396415), (79283, 275845)]