21799099

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 26369280

約数和(自身を除く): 4570181

約数列:

[1, 7, 19, 133, 251, 653, 1757, 4571, 4769, 12407, 33383, 86849, 163903, 1147321, 3114157, 21799099]

約数ペア:

[(1, 21799099), (7, 3114157), (19, 1147321), (133, 163903), (251, 86849), (653, 33383), (1757, 12407), (4571, 4769)]