21319412

素因数分解:

$2^2\times {\mathrm{1181}}^1\times {\mathrm{4513}}^1$

素因数の和:5698

約数の個数: 12

約数和(自身を含む): 37348836

約数和(自身を除く): 16029424

約数列:

[1, 2, 4, 1181, 2362, 4513, 4724, 9026, 18052, 5329853, 10659706, 21319412]

約数ペア:

[(1, 21319412), (2, 10659706), (4, 5329853), (1181, 18052), (2362, 9026), (4513, 4724)]