21047400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1063}}^1$

素因数の和:1096

約数の個数: 144

約数和(自身を含む): 77182560

約数和(自身を除く): 56135160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 1063, 1100, 1320, 1650, 1800, 1980, 2126, 2200, 2475, 3189, 3300, 3960, 4252, 4950, 5315, 6378, 6600, 8504, 9567, 9900, 10630, 11693, 12756, 15945, 19134, 19800, 21260, 23386, 25512, 26575, 31890, 35079, 38268, 42520, 46772, 47835, 53150, 58465, 63780, 70158, 76536, 79725, 93544, 95670, 105237, 106300, 116930, 127560, 140316, 159450, 175395, 191340, 210474, 212600, 233860, 239175, 280632, 292325, 318900, 350790, 382680, 420948, 467720, 478350, 526185, 584650, 637800, 701580, 841896, 876975, 956700, 1052370, 1169300, 1403160, 1753950, 1913400, 2104740, 2338600, 2630925, 3507900, 4209480, 5261850, 7015800, 10523700, 21047400]

約数ペア:

[(1, 21047400), (2, 10523700), (3, 7015800), (4, 5261850), (5, 4209480), (6, 3507900), (8, 2630925), (9, 2338600), (10, 2104740), (11, 1913400), (12, 1753950), (15, 1403160), (18, 1169300), (20, 1052370), (22, 956700), (24, 876975), (25, 841896), (30, 701580), (33, 637800), (36, 584650), (40, 526185), (44, 478350), (45, 467720), (50, 420948), (55, 382680), (60, 350790), (66, 318900), (72, 292325), (75, 280632), (88, 239175), (90, 233860), (99, 212600), (100, 210474), (110, 191340), (120, 175395), (132, 159450), (150, 140316), (165, 127560), (180, 116930), (198, 106300), (200, 105237), (220, 95670), (225, 93544), (264, 79725), (275, 76536), (300, 70158), (330, 63780), (360, 58465), (396, 53150), (440, 47835), (450, 46772), (495, 42520), (550, 38268), (600, 35079), (660, 31890), (792, 26575), (825, 25512), (900, 23386), (990, 21260), (1063, 19800), (1100, 19134), (1320, 15945), (1650, 12756), (1800, 11693), (1980, 10630), (2126, 9900), (2200, 9567), (2475, 8504), (3189, 6600), (3300, 6378), (3960, 5315), (4252, 4950)]