21687000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{7229}}^1$

素因数の和:7253

約数の個数: 64

約数和(自身を含む): 67672800

約数和(自身を除く): 45985800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 7229, 14458, 21687, 28916, 36145, 43374, 57832, 72290, 86748, 108435, 144580, 173496, 180725, 216870, 289160, 361450, 433740, 542175, 722900, 867480, 903625, 1084350, 1445800, 1807250, 2168700, 2710875, 3614500, 4337400, 5421750, 7229000, 10843500, 21687000]

約数ペア:

[(1, 21687000), (2, 10843500), (3, 7229000), (4, 5421750), (5, 4337400), (6, 3614500), (8, 2710875), (10, 2168700), (12, 1807250), (15, 1445800), (20, 1084350), (24, 903625), (25, 867480), (30, 722900), (40, 542175), (50, 433740), (60, 361450), (75, 289160), (100, 216870), (120, 180725), (125, 173496), (150, 144580), (200, 108435), (250, 86748), (300, 72290), (375, 57832), (500, 43374), (600, 36145), (750, 28916), (1000, 21687), (1500, 14458), (3000, 7229)]