21006900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1373}}^1$

素因数の和:1410

約数の個数: 108

約数和(自身を含む): 69768972

約数和(自身を除く): 48762072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 300, 306, 340, 425, 450, 510, 612, 765, 850, 900, 1020, 1275, 1373, 1530, 1700, 2550, 2746, 3060, 3825, 4119, 5100, 5492, 6865, 7650, 8238, 12357, 13730, 15300, 16476, 20595, 23341, 24714, 27460, 34325, 41190, 46682, 49428, 61785, 68650, 70023, 82380, 93364, 102975, 116705, 123570, 137300, 140046, 205950, 210069, 233410, 247140, 280092, 308925, 350115, 411900, 420138, 466820, 583525, 617850, 700230, 840276, 1050345, 1167050, 1235700, 1400460, 1750575, 2100690, 2334100, 3501150, 4201380, 5251725, 7002300, 10503450, 21006900]

約数ペア:

[(1, 21006900), (2, 10503450), (3, 7002300), (4, 5251725), (5, 4201380), (6, 3501150), (9, 2334100), (10, 2100690), (12, 1750575), (15, 1400460), (17, 1235700), (18, 1167050), (20, 1050345), (25, 840276), (30, 700230), (34, 617850), (36, 583525), (45, 466820), (50, 420138), (51, 411900), (60, 350115), (68, 308925), (75, 280092), (85, 247140), (90, 233410), (100, 210069), (102, 205950), (150, 140046), (153, 137300), (170, 123570), (180, 116705), (204, 102975), (225, 93364), (255, 82380), (300, 70023), (306, 68650), (340, 61785), (425, 49428), (450, 46682), (510, 41190), (612, 34325), (765, 27460), (850, 24714), (900, 23341), (1020, 20595), (1275, 16476), (1373, 15300), (1530, 13730), (1700, 12357), (2550, 8238), (2746, 7650), (3060, 6865), (3825, 5492), (4119, 5100)]