21144057

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17317}}^1$

素因数の和:17368

約数の個数: 16

約数和(自身を含む): 31588032

約数和(自身を除く): 10443975

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17317, 51951, 190487, 571461, 640729, 1922187, 7048019, 21144057]

約数ペア:

[(1, 21144057), (3, 7048019), (11, 1922187), (33, 640729), (37, 571461), (111, 190487), (407, 51951), (1221, 17317)]