21718103617

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{7433}}^1$

素因数の和:7677

約数の個数: 32

約数和(自身を含む): 25897439232

約数和(自身を除く): 4179335615

約数列:

[1, 7, 47, 83, 107, 329, 581, 749, 3901, 5029, 7433, 8881, 27307, 35203, 52031, 62167, 349351, 417407, 616939, 795331, 2445457, 2921849, 4318573, 5567317, 28996133, 37380557, 66012473, 202972931, 261663899, 462087311, 3102586231, 21718103617]

約数ペア:

[(1, 21718103617), (7, 3102586231), (47, 462087311), (83, 261663899), (107, 202972931), (329, 66012473), (581, 37380557), (749, 28996133), (3901, 5567317), (5029, 4318573), (7433, 2921849), (8881, 2445457), (27307, 795331), (35203, 616939), (52031, 417407), (62167, 349351)]