21772347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7207}}^1$

素因数の和:7282

約数の個数: 16

約数和(自身を含む): 31138560

約数和(自身を除く): 9366213

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 7207, 21621, 136933, 381971, 410799, 1145913, 7257449, 21772347]

約数ペア:

[(1, 21772347), (3, 7257449), (19, 1145913), (53, 410799), (57, 381971), (159, 136933), (1007, 21621), (3021, 7207)]