21613137

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4657}}^1$

素因数の和:4697

約数の個数: 32

約数和(自身を含む): 37562112

約数和(自身を除く): 15948975

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 4657, 13971, 32599, 60541, 79169, 97797, 181623, 237507, 423787, 554183, 1029197, 1271361, 1662549, 3087591, 7204379, 21613137]

約数ペア:

[(1, 21613137), (3, 7204379), (7, 3087591), (13, 1662549), (17, 1271361), (21, 1029197), (39, 554183), (51, 423787), (91, 237507), (119, 181623), (221, 97797), (273, 79169), (357, 60541), (663, 32599), (1547, 13971), (4641, 4657)]