21321398

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41161}}^1$

素因数の和:41207

約数の個数: 16

約数和(自身を含む): 37539744

約数和(自身を除く): 16218346

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 41161, 82322, 288127, 576254, 1522957, 3045914, 10660699, 21321398]

約数ペア:

[(1, 21321398), (2, 10660699), (7, 3045914), (14, 1522957), (37, 576254), (74, 288127), (259, 82322), (518, 41161)]