21017154815

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1\times {\mathrm{109433}}^1$

素因数の和:110050

約数の個数: 16

約数和(自身を含む): 25623314496

約数和(自身を除く): 4606159681

約数列:

[1, 5, 71, 355, 541, 2705, 38411, 109433, 192055, 547165, 7769743, 38848715, 59203253, 296016265, 4203430963, 21017154815]

約数ペア:

[(1, 21017154815), (5, 4203430963), (71, 296016265), (355, 59203253), (541, 38848715), (2705, 7769743), (38411, 547165), (109433, 192055)]