21000638951

素因数分解:

${\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{47387}}^1$

素因数の和:47734

約数の個数: 16

約数和(自身を含む): 22518777600

約数和(自身を除く): 1518138649

約数列:

[1, 17, 131, 199, 2227, 3383, 26069, 47387, 443173, 805579, 6207697, 9430013, 105530849, 160310221, 1235331703, 21000638951]

約数ペア:

[(1, 21000638951), (17, 1235331703), (131, 160310221), (199, 105530849), (2227, 9430013), (3383, 6207697), (26069, 805579), (47387, 443173)]