21376800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2969}}^1$

素因数の和:2995

約数の個数: 108

約数和(自身を含む): 75405330

約数和(自身を除く): 54028530

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2969, 3600, 5938, 7200, 8907, 11876, 14845, 17814, 23752, 26721, 29690, 35628, 44535, 47504, 53442, 59380, 71256, 74225, 89070, 95008, 106884, 118760, 133605, 142512, 148450, 178140, 213768, 222675, 237520, 267210, 285024, 296900, 356280, 427536, 445350, 475040, 534420, 593800, 668025, 712560, 855072, 890700, 1068840, 1187600, 1336050, 1425120, 1781400, 2137680, 2375200, 2672100, 3562800, 4275360, 5344200, 7125600, 10688400, 21376800]

約数ペア:

[(1, 21376800), (2, 10688400), (3, 7125600), (4, 5344200), (5, 4275360), (6, 3562800), (8, 2672100), (9, 2375200), (10, 2137680), (12, 1781400), (15, 1425120), (16, 1336050), (18, 1187600), (20, 1068840), (24, 890700), (25, 855072), (30, 712560), (32, 668025), (36, 593800), (40, 534420), (45, 475040), (48, 445350), (50, 427536), (60, 356280), (72, 296900), (75, 285024), (80, 267210), (90, 237520), (96, 222675), (100, 213768), (120, 178140), (144, 148450), (150, 142512), (160, 133605), (180, 118760), (200, 106884), (225, 95008), (240, 89070), (288, 74225), (300, 71256), (360, 59380), (400, 53442), (450, 47504), (480, 44535), (600, 35628), (720, 29690), (800, 26721), (900, 23752), (1200, 17814), (1440, 14845), (1800, 11876), (2400, 8907), (2969, 7200), (3600, 5938)]