2021815525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{67003}}^1$

素因数の和:67101

約数の個数: 24

約数和(自身を含む): 2691952704

約数和(自身を除く): 670137179

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 1207, 1775, 6035, 30175, 67003, 335015, 1139051, 1675075, 4757213, 5695255, 23786065, 28476275, 80872621, 118930325, 404363105, 2021815525]

約数ペア:

[(1, 2021815525), (5, 404363105), (17, 118930325), (25, 80872621), (71, 28476275), (85, 23786065), (355, 5695255), (425, 4757213), (1207, 1675075), (1775, 1139051), (6035, 335015), (30175, 67003)]