21028800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:375

約数の個数: 168

約数和(自身を含む): 74519536

約数和(自身を除く): 53490736

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, 130, 150, 156, 160, 192, 195, 200, 208, 240, 260, 300, 312, 320, 325, 337, 390, 400, 416, 480, 520, 600, 624, 650, 674, 780, 800, 832, 960, 975, 1011, 1040, 1200, 1248, 1300, 1348, 1560, 1600, 1685, 1950, 2022, 2080, 2400, 2496, 2600, 2696, 3120, 3370, 3900, 4044, 4160, 4381, 4800, 5055, 5200, 5392, 6240, 6740, 7800, 8088, 8425, 8762, 10110, 10400, 10784, 12480, 13143, 13480, 15600, 16176, 16850, 17524, 20220, 20800, 21568, 21905, 25275, 26286, 26960, 31200, 32352, 33700, 35048, 40440, 43810, 50550, 52572, 53920, 62400, 64704, 65715, 67400, 70096, 80880, 87620, 101100, 105144, 107840, 109525, 131430, 134800, 140192, 161760, 175240, 202200, 210288, 219050, 262860, 269600, 280384, 323520, 328575, 350480, 404400, 420576, 438100, 525720, 539200, 657150, 700960, 808800, 841152, 876200, 1051440, 1314300, 1401920, 1617600, 1752400, 2102880, 2628600, 3504800, 4205760, 5257200, 7009600, 10514400, 21028800]

約数ペア:

[(1, 21028800), (2, 10514400), (3, 7009600), (4, 5257200), (5, 4205760), (6, 3504800), (8, 2628600), (10, 2102880), (12, 1752400), (13, 1617600), (15, 1401920), (16, 1314300), (20, 1051440), (24, 876200), (25, 841152), (26, 808800), (30, 700960), (32, 657150), (39, 539200), (40, 525720), (48, 438100), (50, 420576), (52, 404400), (60, 350480), (64, 328575), (65, 323520), (75, 280384), (78, 269600), (80, 262860), (96, 219050), (100, 210288), (104, 202200), (120, 175240), (130, 161760), (150, 140192), (156, 134800), (160, 131430), (192, 109525), (195, 107840), (200, 105144), (208, 101100), (240, 87620), (260, 80880), (300, 70096), (312, 67400), (320, 65715), (325, 64704), (337, 62400), (390, 53920), (400, 52572), (416, 50550), (480, 43810), (520, 40440), (600, 35048), (624, 33700), (650, 32352), (674, 31200), (780, 26960), (800, 26286), (832, 25275), (960, 21905), (975, 21568), (1011, 20800), (1040, 20220), (1200, 17524), (1248, 16850), (1300, 16176), (1348, 15600), (1560, 13480), (1600, 13143), (1685, 12480), (1950, 10784), (2022, 10400), (2080, 10110), (2400, 8762), (2496, 8425), (2600, 8088), (2696, 7800), (3120, 6740), (3370, 6240), (3900, 5392), (4044, 5200), (4160, 5055), (4381, 4800)]