21492005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5051}}^1$

素因数の和:5116

約数の個数: 16

約数和(自身を含む): 27644544

約数和(自身を除く): 6152539

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 5051, 25255, 116173, 186887, 580865, 934435, 4298401, 21492005]

約数ペア:

[(1, 21492005), (5, 4298401), (23, 934435), (37, 580865), (115, 186887), (185, 116173), (851, 25255), (4255, 5051)]