21845913825

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{431}}^1\times {\mathrm{4933}}^1$

素因数の和:5514

約数の個数: 48

約数和(自身を含む): 36474022656

約数和(自身を除く): 14628108831

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 431, 685, 1293, 2055, 2155, 3425, 4933, 6465, 10275, 10775, 14799, 24665, 32325, 59047, 73995, 123325, 177141, 295235, 369975, 675821, 885705, 1476175, 2027463, 2126123, 3379105, 4428525, 6378369, 10137315, 10630615, 16895525, 31891845, 50686575, 53153075, 159459225, 291278851, 873836553, 1456394255, 4369182765, 7281971275, 21845913825]

約数ペア:

[(1, 21845913825), (3, 7281971275), (5, 4369182765), (15, 1456394255), (25, 873836553), (75, 291278851), (137, 159459225), (411, 53153075), (431, 50686575), (685, 31891845), (1293, 16895525), (2055, 10630615), (2155, 10137315), (3425, 6378369), (4933, 4428525), (6465, 3379105), (10275, 2126123), (10775, 2027463), (14799, 1476175), (24665, 885705), (32325, 675821), (59047, 369975), (73995, 295235), (123325, 177141)]