21143040

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2753}}^1$

素因数の和:2779

約数の個数: 80

約数和(自身を含む): 67616208

約数和(自身を除く): 46473168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2753, 3840, 5506, 7680, 8259, 11012, 13765, 16518, 22024, 27530, 33036, 41295, 44048, 55060, 66072, 82590, 88096, 110120, 132144, 165180, 176192, 220240, 264288, 330360, 352384, 440480, 528576, 660720, 704768, 880960, 1057152, 1321440, 1409536, 1761920, 2114304, 2642880, 3523840, 4228608, 5285760, 7047680, 10571520, 21143040]

約数ペア:

[(1, 21143040), (2, 10571520), (3, 7047680), (4, 5285760), (5, 4228608), (6, 3523840), (8, 2642880), (10, 2114304), (12, 1761920), (15, 1409536), (16, 1321440), (20, 1057152), (24, 880960), (30, 704768), (32, 660720), (40, 528576), (48, 440480), (60, 352384), (64, 330360), (80, 264288), (96, 220240), (120, 176192), (128, 165180), (160, 132144), (192, 110120), (240, 88096), (256, 82590), (320, 66072), (384, 55060), (480, 44048), (512, 41295), (640, 33036), (768, 27530), (960, 22024), (1280, 16518), (1536, 13765), (1920, 11012), (2560, 8259), (2753, 7680), (3840, 5506)]