21583195

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 26536320

約数和(自身を除く): 4953125

約数列:

[1, 5, 79, 101, 395, 505, 541, 2705, 7979, 39895, 42739, 54641, 213695, 273205, 4316639, 21583195]

約数ペア:

[(1, 21583195), (5, 4316639), (79, 273205), (101, 213695), (395, 54641), (505, 42739), (541, 39895), (2705, 7979)]