21587115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3191}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17023317

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 3191, 6765, 9573, 15955, 35101, 47865, 105303, 130831, 175505, 392493, 526515, 654155, 1439141, 1962465, 4317423, 7195705, 21587115]

約数ペア:

[(1, 21587115), (3, 7195705), (5, 4317423), (11, 1962465), (15, 1439141), (33, 654155), (41, 526515), (55, 392493), (123, 175505), (165, 130831), (205, 105303), (451, 47865), (615, 35101), (1353, 15955), (2255, 9573), (3191, 6765)]