21167019927

素因数分解:

$3^3\times {\mathrm{1607}}^1\times {\mathrm{487843}}^1$

素因数の和:489459

約数の個数: 16

約数和(自身を含む): 31378126080

約数和(自身を除く): 10211106153

約数列:

[1, 3, 9, 27, 1607, 4821, 14463, 43389, 487843, 1463529, 4390587, 13171761, 783963701, 2351891103, 7055673309, 21167019927]

約数ペア:

[(1, 21167019927), (3, 7055673309), (9, 2351891103), (27, 783963701), (1607, 13171761), (4821, 4390587), (14463, 1463529), (43389, 487843)]