21235125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{3331}}^1$

素因数の和:3366

約数の個数: 32

約数和(自身を含む): 37425024

約数和(自身を除く): 16189899

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 3331, 6375, 9993, 16655, 49965, 56627, 83275, 169881, 249825, 283135, 416375, 849405, 1249125, 1415675, 4247025, 7078375, 21235125]

約数ペア:

[(1, 21235125), (3, 7078375), (5, 4247025), (15, 1415675), (17, 1249125), (25, 849405), (51, 416375), (75, 283135), (85, 249825), (125, 169881), (255, 83275), (375, 56627), (425, 49965), (1275, 16655), (2125, 9993), (3331, 6375)]