21125760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11003}}^1$

素因数の和:11025

約数の個数: 64

約数和(自身を含む): 67344480

約数和(自身を除く): 46218720

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, 320, 384, 480, 640, 960, 1920, 11003, 22006, 33009, 44012, 55015, 66018, 88024, 110030, 132036, 165045, 176048, 220060, 264072, 330090, 352096, 440120, 528144, 660180, 704192, 880240, 1056288, 1320360, 1408384, 1760480, 2112576, 2640720, 3520960, 4225152, 5281440, 7041920, 10562880, 21125760]

約数ペア:

[(1, 21125760), (2, 10562880), (3, 7041920), (4, 5281440), (5, 4225152), (6, 3520960), (8, 2640720), (10, 2112576), (12, 1760480), (15, 1408384), (16, 1320360), (20, 1056288), (24, 880240), (30, 704192), (32, 660180), (40, 528144), (48, 440120), (60, 352096), (64, 330090), (80, 264072), (96, 220060), (120, 176048), (128, 165045), (160, 132036), (192, 110030), (240, 88024), (320, 66018), (384, 55015), (480, 44012), (640, 33009), (960, 22006), (1920, 11003)]