21449613

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 31744000

約数和(自身を除く): 10294387

約数列:

[1, 3, 19, 31, 57, 61, 93, 183, 199, 589, 597, 1159, 1767, 1891, 3477, 3781, 5673, 6169, 11343, 12139, 18507, 35929, 36417, 107787, 117211, 230641, 351633, 376309, 691923, 1128927, 7149871, 21449613]

約数ペア:

[(1, 21449613), (3, 7149871), (19, 1128927), (31, 691923), (57, 376309), (61, 351633), (93, 230641), (183, 117211), (199, 107787), (589, 36417), (597, 35929), (1159, 18507), (1767, 12139), (1891, 11343), (3477, 6169), (3781, 5673)]