21666238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 37319040

約数和(自身を除く): 15652802

約数列:

[1, 2, 11, 22, 37, 43, 74, 86, 407, 473, 619, 814, 946, 1238, 1591, 3182, 6809, 13618, 17501, 22903, 26617, 35002, 45806, 53234, 251933, 292787, 503866, 585574, 984829, 1969658, 10833119, 21666238]

約数ペア:

[(1, 21666238), (2, 10833119), (11, 1969658), (22, 984829), (37, 585574), (43, 503866), (74, 292787), (86, 251933), (407, 53234), (473, 45806), (619, 35002), (814, 26617), (946, 22903), (1238, 17501), (1591, 13618), (3182, 6809)]