21038400

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{487}}^1$

素因数の和:518

約数の個数: 168

約数和(自身を含む): 76850240

約数和(自身を除く): 55811840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 360, 400, 432, 450, 480, 487, 540, 576, 600, 675, 720, 800, 864, 900, 960, 974, 1080, 1200, 1350, 1440, 1461, 1600, 1728, 1800, 1948, 2160, 2400, 2435, 2700, 2880, 2922, 3600, 3896, 4320, 4383, 4800, 4870, 5400, 5844, 7200, 7305, 7792, 8640, 8766, 9740, 10800, 11688, 12175, 13149, 14400, 14610, 15584, 17532, 19480, 21600, 21915, 23376, 24350, 26298, 29220, 31168, 35064, 36525, 38960, 43200, 43830, 46752, 48700, 52596, 58440, 65745, 70128, 73050, 77920, 87660, 93504, 97400, 105192, 109575, 116880, 131490, 140256, 146100, 155840, 175320, 194800, 210384, 219150, 233760, 262980, 280512, 292200, 328725, 350640, 389600, 420768, 438300, 467520, 525960, 584400, 657450, 701280, 779200, 841536, 876600, 1051920, 1168800, 1314900, 1402560, 1753200, 2103840, 2337600, 2629800, 3506400, 4207680, 5259600, 7012800, 10519200, 21038400]

約数ペア:

[(1, 21038400), (2, 10519200), (3, 7012800), (4, 5259600), (5, 4207680), (6, 3506400), (8, 2629800), (9, 2337600), (10, 2103840), (12, 1753200), (15, 1402560), (16, 1314900), (18, 1168800), (20, 1051920), (24, 876600), (25, 841536), (27, 779200), (30, 701280), (32, 657450), (36, 584400), (40, 525960), (45, 467520), (48, 438300), (50, 420768), (54, 389600), (60, 350640), (64, 328725), (72, 292200), (75, 280512), (80, 262980), (90, 233760), (96, 219150), (100, 210384), (108, 194800), (120, 175320), (135, 155840), (144, 146100), (150, 140256), (160, 131490), (180, 116880), (192, 109575), (200, 105192), (216, 97400), (225, 93504), (240, 87660), (270, 77920), (288, 73050), (300, 70128), (320, 65745), (360, 58440), (400, 52596), (432, 48700), (450, 46752), (480, 43830), (487, 43200), (540, 38960), (576, 36525), (600, 35064), (675, 31168), (720, 29220), (800, 26298), (864, 24350), (900, 23376), (960, 21915), (974, 21600), (1080, 19480), (1200, 17532), (1350, 15584), (1440, 14610), (1461, 14400), (1600, 13149), (1728, 12175), (1800, 11688), (1948, 10800), (2160, 9740), (2400, 8766), (2435, 8640), (2700, 7792), (2880, 7305), (2922, 7200), (3600, 5844), (3896, 5400), (4320, 4870), (4383, 4800)]