21489600

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 252

約数和(自身を含む): 79590392

約数和(自身を除く): 58100792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 37, 40, 44, 48, 50, 55, 60, 64, 66, 74, 75, 80, 88, 96, 100, 110, 111, 120, 121, 132, 148, 150, 160, 165, 176, 185, 192, 200, 220, 222, 240, 242, 264, 275, 296, 300, 320, 330, 352, 363, 370, 400, 407, 440, 444, 480, 484, 528, 550, 555, 592, 600, 605, 660, 704, 726, 740, 800, 814, 825, 880, 888, 925, 960, 968, 1056, 1100, 1110, 1184, 1200, 1210, 1221, 1320, 1452, 1480, 1600, 1628, 1650, 1760, 1776, 1815, 1850, 1936, 2035, 2112, 2200, 2220, 2368, 2400, 2420, 2442, 2640, 2775, 2904, 2960, 3025, 3256, 3300, 3520, 3552, 3630, 3700, 3872, 4070, 4400, 4440, 4477, 4800, 4840, 4884, 5280, 5550, 5808, 5920, 6050, 6105, 6512, 6600, 7104, 7260, 7400, 7744, 8140, 8800, 8880, 8954, 9075, 9680, 9768, 10175, 10560, 11100, 11616, 11840, 12100, 12210, 13024, 13200, 13431, 14520, 14800, 16280, 17600, 17760, 17908, 18150, 19360, 19536, 20350, 22200, 22385, 23232, 24200, 24420, 26048, 26400, 26862, 29040, 29600, 30525, 32560, 35520, 35816, 36300, 38720, 39072, 40700, 44400, 44770, 48400, 48840, 52800, 53724, 58080, 59200, 61050, 65120, 67155, 71632, 72600, 78144, 81400, 88800, 89540, 96800, 97680, 107448, 111925, 116160, 122100, 130240, 134310, 143264, 145200, 162800, 177600, 179080, 193600, 195360, 214896, 223850, 244200, 268620, 286528, 290400, 325600, 335775, 358160, 390720, 429792, 447700, 488400, 537240, 580800, 651200, 671550, 716320, 859584, 895400, 976800, 1074480, 1343100, 1432640, 1790800, 1953600, 2148960, 2686200, 3581600, 4297920, 5372400, 7163200, 10744800, 21489600]

約数ペア:

[(1, 21489600), (2, 10744800), (3, 7163200), (4, 5372400), (5, 4297920), (6, 3581600), (8, 2686200), (10, 2148960), (11, 1953600), (12, 1790800), (15, 1432640), (16, 1343100), (20, 1074480), (22, 976800), (24, 895400), (25, 859584), (30, 716320), (32, 671550), (33, 651200), (37, 580800), (40, 537240), (44, 488400), (48, 447700), (50, 429792), (55, 390720), (60, 358160), (64, 335775), (66, 325600), (74, 290400), (75, 286528), (80, 268620), (88, 244200), (96, 223850), (100, 214896), (110, 195360), (111, 193600), (120, 179080), (121, 177600), (132, 162800), (148, 145200), (150, 143264), (160, 134310), (165, 130240), (176, 122100), (185, 116160), (192, 111925), (200, 107448), (220, 97680), (222, 96800), (240, 89540), (242, 88800), (264, 81400), (275, 78144), (296, 72600), (300, 71632), (320, 67155), (330, 65120), (352, 61050), (363, 59200), (370, 58080), (400, 53724), (407, 52800), (440, 48840), (444, 48400), (480, 44770), (484, 44400), (528, 40700), (550, 39072), (555, 38720), (592, 36300), (600, 35816), (605, 35520), (660, 32560), (704, 30525), (726, 29600), (740, 29040), (800, 26862), (814, 26400), (825, 26048), (880, 24420), (888, 24200), (925, 23232), (960, 22385), (968, 22200), (1056, 20350), (1100, 19536), (1110, 19360), (1184, 18150), (1200, 17908), (1210, 17760), (1221, 17600), (1320, 16280), (1452, 14800), (1480, 14520), (1600, 13431), (1628, 13200), (1650, 13024), (1760, 12210), (1776, 12100), (1815, 11840), (1850, 11616), (1936, 11100), (2035, 10560), (2112, 10175), (2200, 9768), (2220, 9680), (2368, 9075), (2400, 8954), (2420, 8880), (2442, 8800), (2640, 8140), (2775, 7744), (2904, 7400), (2960, 7260), (3025, 7104), (3256, 6600), (3300, 6512), (3520, 6105), (3552, 6050), (3630, 5920), (3700, 5808), (3872, 5550), (4070, 5280), (4400, 4884), (4440, 4840), (4477, 4800)]