21115896

素因数分解:

$2^3\times 3^1\times {\mathrm{349}}^1\times {\mathrm{2521}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 52962000

約数和(自身を除く): 31846104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 349, 698, 1047, 1396, 2094, 2521, 2792, 4188, 5042, 7563, 8376, 10084, 15126, 20168, 30252, 60504, 879829, 1759658, 2639487, 3519316, 5278974, 7038632, 10557948, 21115896]

約数ペア:

[(1, 21115896), (2, 10557948), (3, 7038632), (4, 5278974), (6, 3519316), (8, 2639487), (12, 1759658), (24, 879829), (349, 60504), (698, 30252), (1047, 20168), (1396, 15126), (2094, 10084), (2521, 8376), (2792, 7563), (4188, 5042)]