21995435

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{57131}}^1$

素因数の和:57154

約数の個数: 16

約数和(自身を含む): 32908032

約数和(自身を除く): 10912597

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 57131, 285655, 399917, 628441, 1999585, 3142205, 4399087, 21995435]

約数ペア:

[(1, 21995435), (5, 4399087), (7, 3142205), (11, 1999585), (35, 628441), (55, 399917), (77, 285655), (385, 57131)]