21015078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3187}}^1$

素因数の和:3356

約数の個数: 32

約数和(自身を含む): 48355584

約数和(自身を除く): 27340506

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 942, 1099, 2198, 3187, 3297, 6374, 6594, 9561, 19122, 22309, 44618, 66927, 133854, 500359, 1000718, 1501077, 3002154, 3502513, 7005026, 10507539, 21015078]

約数ペア:

[(1, 21015078), (2, 10507539), (3, 7005026), (6, 3502513), (7, 3002154), (14, 1501077), (21, 1000718), (42, 500359), (157, 133854), (314, 66927), (471, 44618), (942, 22309), (1099, 19122), (2198, 9561), (3187, 6594), (3297, 6374)]