21242019988

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5704087}}^1$

素因数の和:5704124

約数の個数: 36

約数和(自身を含む): 45518622240

約数和(自身を除く): 24276602252

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5704087, 11408174, 22816348, 39928609, 79857218, 108377653, 159714436, 216755306, 279500263, 433510612, 559000526, 758643571, 1118001052, 1517287142, 3034574284, 5310504997, 10621009994, 21242019988]

約数ペア:

[(1, 21242019988), (2, 10621009994), (4, 5310504997), (7, 3034574284), (14, 1517287142), (19, 1118001052), (28, 758643571), (38, 559000526), (49, 433510612), (76, 279500263), (98, 216755306), (133, 159714436), (196, 108377653), (266, 79857218), (532, 39928609), (931, 22816348), (1862, 11408174), (3724, 5704087)]