21148479

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2348

約数の個数: 32

約数和(自身を含む): 35297280

約数和(自身を除く): 14148801

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 2297, 3069, 6891, 9207, 20673, 25267, 62019, 71207, 75801, 213621, 227403, 640863, 682209, 783277, 1922589, 2349831, 7049493, 21148479]

約数ペア:

[(1, 21148479), (3, 7049493), (9, 2349831), (11, 1922589), (27, 783277), (31, 682209), (33, 640863), (93, 227403), (99, 213621), (279, 75801), (297, 71207), (341, 62019), (837, 25267), (1023, 20673), (2297, 9207), (3069, 6891)]