21398400

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{743}}^1$

素因数の和:773

約数の個数: 144

約数和(自身を含む): 76457160

約数和(自身を除く): 55058760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 720, 743, 800, 900, 960, 1152, 1200, 1440, 1486, 1600, 1800, 1920, 2229, 2400, 2880, 2972, 3200, 3600, 3715, 4458, 4800, 5760, 5944, 6687, 7200, 7430, 8916, 9600, 11145, 11888, 13374, 14400, 14860, 17832, 18575, 22290, 23776, 26748, 28800, 29720, 33435, 35664, 37150, 44580, 47552, 53496, 55725, 59440, 66870, 71328, 74300, 89160, 95104, 106992, 111450, 118880, 133740, 142656, 148600, 167175, 178320, 213984, 222900, 237760, 267480, 285312, 297200, 334350, 356640, 427968, 445800, 475520, 534960, 594400, 668700, 713280, 855936, 891600, 1069920, 1188800, 1337400, 1426560, 1783200, 2139840, 2377600, 2674800, 3566400, 4279680, 5349600, 7132800, 10699200, 21398400]

約数ペア:

[(1, 21398400), (2, 10699200), (3, 7132800), (4, 5349600), (5, 4279680), (6, 3566400), (8, 2674800), (9, 2377600), (10, 2139840), (12, 1783200), (15, 1426560), (16, 1337400), (18, 1188800), (20, 1069920), (24, 891600), (25, 855936), (30, 713280), (32, 668700), (36, 594400), (40, 534960), (45, 475520), (48, 445800), (50, 427968), (60, 356640), (64, 334350), (72, 297200), (75, 285312), (80, 267480), (90, 237760), (96, 222900), (100, 213984), (120, 178320), (128, 167175), (144, 148600), (150, 142656), (160, 133740), (180, 118880), (192, 111450), (200, 106992), (225, 95104), (240, 89160), (288, 74300), (300, 71328), (320, 66870), (360, 59440), (384, 55725), (400, 53496), (450, 47552), (480, 44580), (576, 37150), (600, 35664), (640, 33435), (720, 29720), (743, 28800), (800, 26748), (900, 23776), (960, 22290), (1152, 18575), (1200, 17832), (1440, 14860), (1486, 14400), (1600, 13374), (1800, 11888), (1920, 11145), (2229, 9600), (2400, 8916), (2880, 7430), (2972, 7200), (3200, 6687), (3600, 5944), (3715, 5760), (4458, 4800)]