21209946

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{39719}}^1$

素因数の和:39813

約数の個数: 16

約数和(自身を含む): 42897600

約数和(自身を除く): 21687654

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 39719, 79438, 119157, 238314, 3534991, 7069982, 10604973, 21209946]

約数ペア:

[(1, 21209946), (2, 10604973), (3, 7069982), (6, 3534991), (89, 238314), (178, 119157), (267, 79438), (534, 39719)]