2175978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 5031936

約数和(自身を除く): 2855958

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 503, 618, 721, 1006, 1442, 1509, 2163, 3018, 3521, 4326, 7042, 10563, 21126, 51809, 103618, 155427, 310854, 362663, 725326, 1087989, 2175978]

約数ペア:

[(1, 2175978), (2, 1087989), (3, 725326), (6, 362663), (7, 310854), (14, 155427), (21, 103618), (42, 51809), (103, 21126), (206, 10563), (309, 7042), (503, 4326), (618, 3521), (721, 3018), (1006, 2163), (1442, 1509)]