21596400

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{857}}^1$

素因数の和:888

約数の個数: 180

約数和(自身を含む): 85751952

約数和(自身を除く): 64155552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 857, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1714, 1800, 2100, 2520, 2571, 2800, 3150, 3428, 3600, 4200, 4285, 5040, 5142, 5999, 6300, 6856, 7713, 8400, 8570, 10284, 11998, 12600, 12855, 13712, 15426, 17140, 17997, 20568, 21425, 23996, 25200, 25710, 29995, 30852, 34280, 35994, 38565, 41136, 42850, 47992, 51420, 53991, 59990, 61704, 64275, 68560, 71988, 77130, 85700, 89985, 95984, 102840, 107982, 119980, 123408, 128550, 143976, 149975, 154260, 171400, 179970, 192825, 205680, 215964, 239960, 257100, 269955, 287952, 299950, 308520, 342800, 359940, 385650, 431928, 449925, 479920, 514200, 539910, 599900, 617040, 719880, 771300, 863856, 899850, 1028400, 1079820, 1199800, 1349775, 1439760, 1542600, 1799700, 2159640, 2399600, 2699550, 3085200, 3599400, 4319280, 5399100, 7198800, 10798200, 21596400]

約数ペア:

[(1, 21596400), (2, 10798200), (3, 7198800), (4, 5399100), (5, 4319280), (6, 3599400), (7, 3085200), (8, 2699550), (9, 2399600), (10, 2159640), (12, 1799700), (14, 1542600), (15, 1439760), (16, 1349775), (18, 1199800), (20, 1079820), (21, 1028400), (24, 899850), (25, 863856), (28, 771300), (30, 719880), (35, 617040), (36, 599900), (40, 539910), (42, 514200), (45, 479920), (48, 449925), (50, 431928), (56, 385650), (60, 359940), (63, 342800), (70, 308520), (72, 299950), (75, 287952), (80, 269955), (84, 257100), (90, 239960), (100, 215964), (105, 205680), (112, 192825), (120, 179970), (126, 171400), (140, 154260), (144, 149975), (150, 143976), (168, 128550), (175, 123408), (180, 119980), (200, 107982), (210, 102840), (225, 95984), (240, 89985), (252, 85700), (280, 77130), (300, 71988), (315, 68560), (336, 64275), (350, 61704), (360, 59990), (400, 53991), (420, 51420), (450, 47992), (504, 42850), (525, 41136), (560, 38565), (600, 35994), (630, 34280), (700, 30852), (720, 29995), (840, 25710), (857, 25200), (900, 23996), (1008, 21425), (1050, 20568), (1200, 17997), (1260, 17140), (1400, 15426), (1575, 13712), (1680, 12855), (1714, 12600), (1800, 11998), (2100, 10284), (2520, 8570), (2571, 8400), (2800, 7713), (3150, 6856), (3428, 6300), (3600, 5999), (4200, 5142), (4285, 5040)]