21588605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{541}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 27160704

約数和(自身を除く): 5572099

約数列:

[1, 5, 23, 115, 347, 541, 1735, 2705, 7981, 12443, 39905, 62215, 187727, 938635, 4317721, 21588605]

約数ペア:

[(1, 21588605), (5, 4317721), (23, 938635), (115, 187727), (347, 62215), (541, 39905), (1735, 12443), (2705, 7981)]