21607425

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 48211200

約数和(自身を除く): 26603775

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 75, 85, 105, 119, 135, 153, 175, 189, 225, 255, 269, 315, 357, 425, 459, 525, 595, 675, 765, 807, 945, 1071, 1275, 1345, 1575, 1785, 1883, 2295, 2421, 2975, 3213, 3825, 4035, 4573, 4725, 5355, 5649, 6725, 7263, 8925, 9415, 11475, 12105, 13719, 16065, 16947, 20175, 22865, 26775, 28245, 32011, 36315, 41157, 47075, 50841, 60525, 68595, 80325, 84735, 96033, 114325, 123471, 141225, 160055, 181575, 205785, 254205, 288099, 342975, 423675, 480165, 617355, 800275, 864297, 1028925, 1271025, 1440495, 2400825, 3086775, 4321485, 7202475, 21607425]

約数ペア:

[(1, 21607425), (3, 7202475), (5, 4321485), (7, 3086775), (9, 2400825), (15, 1440495), (17, 1271025), (21, 1028925), (25, 864297), (27, 800275), (35, 617355), (45, 480165), (51, 423675), (63, 342975), (75, 288099), (85, 254205), (105, 205785), (119, 181575), (135, 160055), (153, 141225), (175, 123471), (189, 114325), (225, 96033), (255, 84735), (269, 80325), (315, 68595), (357, 60525), (425, 50841), (459, 47075), (525, 41157), (595, 36315), (675, 32011), (765, 28245), (807, 26775), (945, 22865), (1071, 20175), (1275, 16947), (1345, 16065), (1575, 13719), (1785, 12105), (1883, 11475), (2295, 9415), (2421, 8925), (2975, 7263), (3213, 6725), (3825, 5649), (4035, 5355), (4573, 4725)]