21604613

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 23540736

約数和(自身を除く): 1936123

約数列:

[1, 23, 31, 157, 193, 713, 3611, 4439, 4867, 5983, 30301, 111941, 137609, 696923, 939331, 21604613]

約数ペア:

[(1, 21604613), (23, 939331), (31, 696923), (157, 137609), (193, 111941), (713, 30301), (3611, 5983), (4439, 4867)]