21590799

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1279}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 30597120

約数和(自身を除く): 9006321

約数列:

[1, 3, 17, 51, 331, 993, 1279, 3837, 5627, 16881, 21743, 65229, 423349, 1270047, 7196933, 21590799]

約数ペア:

[(1, 21590799), (3, 7196933), (17, 1270047), (51, 423349), (331, 65229), (993, 21743), (1279, 16881), (3837, 5627)]