21000736485

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3794171}}^1$

素因数の和:3794226

約数の個数: 32

約数和(自身を含む): 38245253760

約数和(自身を除く): 17244517275

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 5535, 3794171, 11382513, 18970855, 34147539, 56912565, 102442617, 155561011, 170737695, 466683033, 512213085, 777805055, 1400049099, 2333415165, 4200147297, 7000245495, 21000736485]

約数ペア:

[(1, 21000736485), (3, 7000245495), (5, 4200147297), (9, 2333415165), (15, 1400049099), (27, 777805055), (41, 512213085), (45, 466683033), (123, 170737695), (135, 155561011), (205, 102442617), (369, 56912565), (615, 34147539), (1107, 18970855), (1845, 11382513), (5535, 3794171)]