21445261

素因数分解:

${\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1364339

約数列:

[1, 43, 59, 79, 107, 2537, 3397, 4601, 4661, 6313, 8453, 200423, 271459, 363479, 498727, 21445261]

約数ペア:

[(1, 21445261), (43, 498727), (59, 363479), (79, 271459), (107, 200423), (2537, 8453), (3397, 6313), (4601, 4661)]