15211821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4201}}^1$

素因数の和:4292

約数の個数: 16

約数和(自身を含む): 21783168

約数和(自身を除く): 6571347

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 4201, 12603, 71417, 214251, 298271, 894813, 5070607, 15211821]

約数ペア:

[(1, 15211821), (3, 5070607), (17, 894813), (51, 298271), (71, 214251), (213, 71417), (1207, 12603), (3621, 4201)]