21184495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4493}}^1$

素因数の和:4562

約数の個数: 16

約数和(自身を含む): 27179712

約数和(自身を除く): 5995217

約数列:

[1, 5, 23, 41, 115, 205, 943, 4493, 4715, 22465, 103339, 184213, 516695, 921065, 4236899, 21184495]

約数ペア:

[(1, 21184495), (5, 4236899), (23, 921065), (41, 516695), (115, 184213), (205, 103339), (943, 22465), (4493, 4715)]