21789000

素因数分解:

$2^3\times 3^4\times 5^3\times {\mathrm{269}}^1$

素因数の和:302

約数の個数: 160

約数和(自身を含む): 76447800

約数和(自身を除く): 54658800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 250, 269, 270, 300, 324, 360, 375, 405, 450, 500, 538, 540, 600, 648, 675, 750, 807, 810, 900, 1000, 1076, 1080, 1125, 1345, 1350, 1500, 1614, 1620, 1800, 2025, 2152, 2250, 2421, 2690, 2700, 3000, 3228, 3240, 3375, 4035, 4050, 4500, 4842, 5380, 5400, 6456, 6725, 6750, 7263, 8070, 8100, 9000, 9684, 10125, 10760, 12105, 13450, 13500, 14526, 16140, 16200, 19368, 20175, 20250, 21789, 24210, 26900, 27000, 29052, 32280, 33625, 36315, 40350, 40500, 43578, 48420, 53800, 58104, 60525, 67250, 72630, 80700, 81000, 87156, 96840, 100875, 108945, 121050, 134500, 145260, 161400, 174312, 181575, 201750, 217890, 242100, 269000, 290520, 302625, 363150, 403500, 435780, 484200, 544725, 605250, 726300, 807000, 871560, 907875, 1089450, 1210500, 1452600, 1815750, 2178900, 2421000, 2723625, 3631500, 4357800, 5447250, 7263000, 10894500, 21789000]

約数ペア:

[(1, 21789000), (2, 10894500), (3, 7263000), (4, 5447250), (5, 4357800), (6, 3631500), (8, 2723625), (9, 2421000), (10, 2178900), (12, 1815750), (15, 1452600), (18, 1210500), (20, 1089450), (24, 907875), (25, 871560), (27, 807000), (30, 726300), (36, 605250), (40, 544725), (45, 484200), (50, 435780), (54, 403500), (60, 363150), (72, 302625), (75, 290520), (81, 269000), (90, 242100), (100, 217890), (108, 201750), (120, 181575), (125, 174312), (135, 161400), (150, 145260), (162, 134500), (180, 121050), (200, 108945), (216, 100875), (225, 96840), (250, 87156), (269, 81000), (270, 80700), (300, 72630), (324, 67250), (360, 60525), (375, 58104), (405, 53800), (450, 48420), (500, 43578), (538, 40500), (540, 40350), (600, 36315), (648, 33625), (675, 32280), (750, 29052), (807, 27000), (810, 26900), (900, 24210), (1000, 21789), (1076, 20250), (1080, 20175), (1125, 19368), (1345, 16200), (1350, 16140), (1500, 14526), (1614, 13500), (1620, 13450), (1800, 12105), (2025, 10760), (2152, 10125), (2250, 9684), (2421, 9000), (2690, 8100), (2700, 8070), (3000, 7263), (3228, 6750), (3240, 6725), (3375, 6456), (4035, 5400), (4050, 5380), (4500, 4842)]