21085915691285

素因数分解:

$5^1\times {\mathrm{521}}^1\times {\mathrm{2003}}^1\times {\mathrm{4041139}}^1$

素因数の和:4043668

約数の個数: 16

約数和(自身を含む): 25364328361920

約数和(自身を除く): 4278412670635

約数列:

[1, 5, 521, 2003, 2605, 10015, 1043563, 4041139, 5217815, 20205695, 2105433419, 8094401417, 10527167095, 40472007085, 4217183138257, 21085915691285]

約数ペア:

[(1, 21085915691285), (5, 4217183138257), (521, 40472007085), (2003, 10527167095), (2605, 8094401417), (10015, 2105433419), (1043563, 20205695), (4041139, 5217815)]