21731523

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{3121}}^1$

素因数の和:3346

約数の個数: 16

約数和(自身を含む): 31769472

約数和(自身を除く): 10037949

約数列:

[1, 3, 11, 33, 211, 633, 2321, 3121, 6963, 9363, 34331, 102993, 658531, 1975593, 7243841, 21731523]

約数ペア:

[(1, 21731523), (3, 7243841), (11, 1975593), (33, 658531), (211, 102993), (633, 34331), (2321, 9363), (3121, 6963)]