21915671169

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{60919}}^1$

素因数の和:61429

約数の個数: 32

約数和(自身を含む): 34372526080

約数和(自身を除く): 12456854911

約数列:

[1, 3, 7, 21, 37, 111, 259, 463, 777, 1389, 3241, 9723, 17131, 51393, 60919, 119917, 182757, 359751, 426433, 1279299, 2254003, 6762009, 15778021, 28205497, 47334063, 84616491, 197438479, 592315437, 1043603389, 3130810167, 7305223723, 21915671169]

約数ペア:

[(1, 21915671169), (3, 7305223723), (7, 3130810167), (21, 1043603389), (37, 592315437), (111, 197438479), (259, 84616491), (463, 47334063), (777, 28205497), (1389, 15778021), (3241, 6762009), (9723, 2254003), (17131, 1279299), (51393, 426433), (60919, 359751), (119917, 182757)]