21091200

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{13}}^3$

素因数の和:66

約数の個数: 192

約数和(自身を含む): 75255600

約数和(自身を除く): 54164400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 128, 130, 150, 156, 160, 169, 192, 195, 200, 208, 240, 260, 300, 312, 320, 325, 338, 384, 390, 400, 416, 480, 507, 520, 600, 624, 640, 650, 676, 780, 800, 832, 845, 960, 975, 1014, 1040, 1200, 1248, 1300, 1352, 1560, 1600, 1664, 1690, 1920, 1950, 2028, 2080, 2197, 2400, 2496, 2535, 2600, 2704, 3120, 3200, 3380, 3900, 4056, 4160, 4225, 4394, 4800, 4992, 5070, 5200, 5408, 6240, 6591, 6760, 7800, 8112, 8320, 8450, 8788, 9600, 10140, 10400, 10816, 10985, 12480, 12675, 13182, 13520, 15600, 16224, 16900, 17576, 20280, 20800, 21632, 21970, 24960, 25350, 26364, 27040, 31200, 32448, 32955, 33800, 35152, 40560, 41600, 43940, 50700, 52728, 54080, 54925, 62400, 64896, 65910, 67600, 70304, 81120, 87880, 101400, 105456, 108160, 109850, 124800, 131820, 135200, 140608, 162240, 164775, 175760, 202800, 210912, 219700, 263640, 270400, 281216, 324480, 329550, 351520, 405600, 421824, 439400, 527280, 540800, 659100, 703040, 811200, 843648, 878800, 1054560, 1318200, 1406080, 1622400, 1757600, 2109120, 2636400, 3515200, 4218240, 5272800, 7030400, 10545600, 21091200]

約数ペア:

[(1, 21091200), (2, 10545600), (3, 7030400), (4, 5272800), (5, 4218240), (6, 3515200), (8, 2636400), (10, 2109120), (12, 1757600), (13, 1622400), (15, 1406080), (16, 1318200), (20, 1054560), (24, 878800), (25, 843648), (26, 811200), (30, 703040), (32, 659100), (39, 540800), (40, 527280), (48, 439400), (50, 421824), (52, 405600), (60, 351520), (64, 329550), (65, 324480), (75, 281216), (78, 270400), (80, 263640), (96, 219700), (100, 210912), (104, 202800), (120, 175760), (128, 164775), (130, 162240), (150, 140608), (156, 135200), (160, 131820), (169, 124800), (192, 109850), (195, 108160), (200, 105456), (208, 101400), (240, 87880), (260, 81120), (300, 70304), (312, 67600), (320, 65910), (325, 64896), (338, 62400), (384, 54925), (390, 54080), (400, 52728), (416, 50700), (480, 43940), (507, 41600), (520, 40560), (600, 35152), (624, 33800), (640, 32955), (650, 32448), (676, 31200), (780, 27040), (800, 26364), (832, 25350), (845, 24960), (960, 21970), (975, 21632), (1014, 20800), (1040, 20280), (1200, 17576), (1248, 16900), (1300, 16224), (1352, 15600), (1560, 13520), (1600, 13182), (1664, 12675), (1690, 12480), (1920, 10985), (1950, 10816), (2028, 10400), (2080, 10140), (2197, 9600), (2400, 8788), (2496, 8450), (2535, 8320), (2600, 8112), (2704, 7800), (3120, 6760), (3200, 6591), (3380, 6240), (3900, 5408), (4056, 5200), (4160, 5070), (4225, 4992), (4394, 4800)]