21805546

素因数分解:

$2^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{2879}}^1$

素因数の和:3429

約数の個数: 16

約数和(自身を含む): 37463040

約数和(自身を除く): 15657494

約数列:

[1, 2, 7, 14, 541, 1082, 2879, 3787, 5758, 7574, 20153, 40306, 1557539, 3115078, 10902773, 21805546]

約数ペア:

[(1, 21805546), (2, 10902773), (7, 3115078), (14, 1557539), (541, 40306), (1082, 20153), (2879, 7574), (3787, 5758)]