21240642

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{114197}}^1$

素因数の和:114233

約数の個数: 16

約数和(自身を含む): 43852032

約数和(自身を除く): 22611390

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 114197, 228394, 342591, 685182, 3540107, 7080214, 10620321, 21240642]

約数ペア:

[(1, 21240642), (2, 10620321), (3, 7080214), (6, 3540107), (31, 685182), (62, 342591), (93, 228394), (186, 114197)]