21603279

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4673}}^1$

素因数の和:4766

約数の個数: 16

約数和(自身を含む): 30511872

約数和(自身を除く): 8908593

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4623, 4673, 14019, 107479, 313091, 322437, 939273, 7201093, 21603279]

約数ペア:

[(1, 21603279), (3, 7201093), (23, 939273), (67, 322437), (69, 313091), (201, 107479), (1541, 14019), (4623, 4673)]