21436161

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 10497279

約数列:

[1, 3, 19, 23, 57, 69, 83, 197, 249, 437, 591, 1311, 1577, 1909, 3743, 4531, 4731, 5727, 11229, 13593, 16351, 36271, 49053, 86089, 108813, 258267, 310669, 376073, 932007, 1128219, 7145387, 21436161]

約数ペア:

[(1, 21436161), (3, 7145387), (19, 1128219), (23, 932007), (57, 376073), (69, 310669), (83, 258267), (197, 108813), (249, 86089), (437, 49053), (591, 36271), (1311, 16351), (1577, 13593), (1909, 11229), (3743, 5727), (4531, 4731)]