21402000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 240

約数和(自身を含む): 79213680

約数和(自身を除く): 57811680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 29, 30, 36, 40, 41, 45, 48, 50, 58, 60, 72, 75, 80, 82, 87, 90, 100, 116, 120, 123, 125, 144, 145, 150, 164, 174, 180, 200, 205, 225, 232, 240, 246, 250, 261, 290, 300, 328, 348, 360, 369, 375, 400, 410, 435, 450, 464, 492, 500, 522, 580, 600, 615, 656, 696, 720, 725, 738, 750, 820, 870, 900, 984, 1000, 1025, 1044, 1125, 1160, 1189, 1200, 1230, 1305, 1392, 1450, 1476, 1500, 1640, 1740, 1800, 1845, 1968, 2000, 2050, 2088, 2175, 2250, 2320, 2378, 2460, 2610, 2900, 2952, 3000, 3075, 3280, 3480, 3567, 3600, 3625, 3690, 4100, 4176, 4350, 4500, 4756, 4920, 5125, 5220, 5800, 5904, 5945, 6000, 6150, 6525, 6960, 7134, 7250, 7380, 8200, 8700, 9000, 9225, 9512, 9840, 10250, 10440, 10701, 10875, 11600, 11890, 12300, 13050, 14268, 14500, 14760, 15375, 16400, 17400, 17835, 18000, 18450, 19024, 20500, 20880, 21402, 21750, 23780, 24600, 26100, 28536, 29000, 29520, 29725, 30750, 32625, 34800, 35670, 36900, 41000, 42804, 43500, 46125, 47560, 49200, 52200, 53505, 57072, 58000, 59450, 61500, 65250, 71340, 73800, 82000, 85608, 87000, 89175, 92250, 95120, 104400, 107010, 118900, 123000, 130500, 142680, 147600, 148625, 171216, 174000, 178350, 184500, 214020, 237800, 246000, 261000, 267525, 285360, 297250, 356700, 369000, 428040, 445875, 475600, 522000, 535050, 594500, 713400, 738000, 856080, 891750, 1070100, 1189000, 1337625, 1426800, 1783500, 2140200, 2378000, 2675250, 3567000, 4280400, 5350500, 7134000, 10701000, 21402000]

約数ペア:

[(1, 21402000), (2, 10701000), (3, 7134000), (4, 5350500), (5, 4280400), (6, 3567000), (8, 2675250), (9, 2378000), (10, 2140200), (12, 1783500), (15, 1426800), (16, 1337625), (18, 1189000), (20, 1070100), (24, 891750), (25, 856080), (29, 738000), (30, 713400), (36, 594500), (40, 535050), (41, 522000), (45, 475600), (48, 445875), (50, 428040), (58, 369000), (60, 356700), (72, 297250), (75, 285360), (80, 267525), (82, 261000), (87, 246000), (90, 237800), (100, 214020), (116, 184500), (120, 178350), (123, 174000), (125, 171216), (144, 148625), (145, 147600), (150, 142680), (164, 130500), (174, 123000), (180, 118900), (200, 107010), (205, 104400), (225, 95120), (232, 92250), (240, 89175), (246, 87000), (250, 85608), (261, 82000), (290, 73800), (300, 71340), (328, 65250), (348, 61500), (360, 59450), (369, 58000), (375, 57072), (400, 53505), (410, 52200), (435, 49200), (450, 47560), (464, 46125), (492, 43500), (500, 42804), (522, 41000), (580, 36900), (600, 35670), (615, 34800), (656, 32625), (696, 30750), (720, 29725), (725, 29520), (738, 29000), (750, 28536), (820, 26100), (870, 24600), (900, 23780), (984, 21750), (1000, 21402), (1025, 20880), (1044, 20500), (1125, 19024), (1160, 18450), (1189, 18000), (1200, 17835), (1230, 17400), (1305, 16400), (1392, 15375), (1450, 14760), (1476, 14500), (1500, 14268), (1640, 13050), (1740, 12300), (1800, 11890), (1845, 11600), (1968, 10875), (2000, 10701), (2050, 10440), (2088, 10250), (2175, 9840), (2250, 9512), (2320, 9225), (2378, 9000), (2460, 8700), (2610, 8200), (2900, 7380), (2952, 7250), (3000, 7134), (3075, 6960), (3280, 6525), (3480, 6150), (3567, 6000), (3600, 5945), (3625, 5904), (3690, 5800), (4100, 5220), (4176, 5125), (4350, 4920), (4500, 4756)]