21325325

素因数分解:

$5^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 30408768

約数和(自身を除く): 9083443

約数列:

[1, 5, 7, 25, 35, 175, 233, 523, 1165, 1631, 2615, 3661, 5825, 8155, 13075, 18305, 40775, 91525, 121859, 609295, 853013, 3046475, 4265065, 21325325]

約数ペア:

[(1, 21325325), (5, 4265065), (7, 3046475), (25, 853013), (35, 609295), (175, 121859), (233, 91525), (523, 40775), (1165, 18305), (1631, 13075), (2615, 8155), (3661, 5825)]