21167993105

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3191}}^1\times {\mathrm{11149}}^1$

素因数の和:14369

約数の個数: 32

約数和(自身を含む): 30750451200

約数和(自身を除く): 9582458095

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 3191, 11149, 15955, 22337, 54247, 55745, 78043, 111685, 189533, 271235, 379729, 390215, 947665, 1326731, 1898645, 6633655, 35576459, 177882295, 249035213, 604799803, 1245176065, 3023999015, 4233598621, 21167993105]

約数ペア:

[(1, 21167993105), (5, 4233598621), (7, 3023999015), (17, 1245176065), (35, 604799803), (85, 249035213), (119, 177882295), (595, 35576459), (3191, 6633655), (11149, 1898645), (15955, 1326731), (22337, 947665), (54247, 390215), (55745, 379729), (78043, 271235), (111685, 189533)]