21740806908

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8505793}}^1$

素因数の和:8505874

約数の個数: 36

約数和(自身を含む): 55729962288

約数和(自身を除く): 33989155380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8505793, 17011586, 25517379, 34023172, 51034758, 76552137, 102069516, 153104274, 306208548, 603911303, 1207822606, 1811733909, 2415645212, 3623467818, 5435201727, 7246935636, 10870403454, 21740806908]

約数ペア:

[(1, 21740806908), (2, 10870403454), (3, 7246935636), (4, 5435201727), (6, 3623467818), (9, 2415645212), (12, 1811733909), (18, 1207822606), (36, 603911303), (71, 306208548), (142, 153104274), (213, 102069516), (284, 76552137), (426, 51034758), (639, 34023172), (852, 25517379), (1278, 17011586), (2556, 8505793)]