21005760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21881}}^1$

素因数の和:21901

約数の個数: 56

約数和(自身を含む): 66696336

約数和(自身を除く): 45690576

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, 160, 192, 240, 320, 480, 960, 21881, 43762, 65643, 87524, 109405, 131286, 175048, 218810, 262572, 328215, 350096, 437620, 525144, 656430, 700192, 875240, 1050288, 1312860, 1400384, 1750480, 2100576, 2625720, 3500960, 4201152, 5251440, 7001920, 10502880, 21005760]

約数ペア:

[(1, 21005760), (2, 10502880), (3, 7001920), (4, 5251440), (5, 4201152), (6, 3500960), (8, 2625720), (10, 2100576), (12, 1750480), (15, 1400384), (16, 1312860), (20, 1050288), (24, 875240), (30, 700192), (32, 656430), (40, 525144), (48, 437620), (60, 350096), (64, 328215), (80, 262572), (96, 218810), (120, 175048), (160, 131286), (192, 109405), (240, 87524), (320, 65643), (480, 43762), (960, 21881)]