21438000

素因数分解:

$2^4\times 3^3\times 5^3\times {\mathrm{397}}^1$

素因数の和:429

約数の個数: 160

約数和(自身を含む): 76989120

約数和(自身を除く): 55551120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 125, 135, 144, 150, 180, 200, 216, 225, 240, 250, 270, 300, 360, 375, 397, 400, 432, 450, 500, 540, 600, 675, 720, 750, 794, 900, 1000, 1080, 1125, 1191, 1200, 1350, 1500, 1588, 1800, 1985, 2000, 2160, 2250, 2382, 2700, 3000, 3176, 3375, 3573, 3600, 3970, 4500, 4764, 5400, 5955, 6000, 6352, 6750, 7146, 7940, 9000, 9528, 9925, 10719, 10800, 11910, 13500, 14292, 15880, 17865, 18000, 19056, 19850, 21438, 23820, 27000, 28584, 29775, 31760, 35730, 39700, 42876, 47640, 49625, 53595, 54000, 57168, 59550, 71460, 79400, 85752, 89325, 95280, 99250, 107190, 119100, 142920, 148875, 158800, 171504, 178650, 198500, 214380, 238200, 267975, 285840, 297750, 357300, 397000, 428760, 446625, 476400, 535950, 595500, 714600, 794000, 857520, 893250, 1071900, 1191000, 1339875, 1429200, 1786500, 2143800, 2382000, 2679750, 3573000, 4287600, 5359500, 7146000, 10719000, 21438000]

約数ペア:

[(1, 21438000), (2, 10719000), (3, 7146000), (4, 5359500), (5, 4287600), (6, 3573000), (8, 2679750), (9, 2382000), (10, 2143800), (12, 1786500), (15, 1429200), (16, 1339875), (18, 1191000), (20, 1071900), (24, 893250), (25, 857520), (27, 794000), (30, 714600), (36, 595500), (40, 535950), (45, 476400), (48, 446625), (50, 428760), (54, 397000), (60, 357300), (72, 297750), (75, 285840), (80, 267975), (90, 238200), (100, 214380), (108, 198500), (120, 178650), (125, 171504), (135, 158800), (144, 148875), (150, 142920), (180, 119100), (200, 107190), (216, 99250), (225, 95280), (240, 89325), (250, 85752), (270, 79400), (300, 71460), (360, 59550), (375, 57168), (397, 54000), (400, 53595), (432, 49625), (450, 47640), (500, 42876), (540, 39700), (600, 35730), (675, 31760), (720, 29775), (750, 28584), (794, 27000), (900, 23820), (1000, 21438), (1080, 19850), (1125, 19056), (1191, 18000), (1200, 17865), (1350, 15880), (1500, 14292), (1588, 13500), (1800, 11910), (1985, 10800), (2000, 10719), (2160, 9925), (2250, 9528), (2382, 9000), (2700, 7940), (3000, 7146), (3176, 6750), (3375, 6352), (3573, 6000), (3600, 5955), (3970, 5400), (4500, 4764)]