21899520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1901}}^1$

素因数の和:1928

約数の個数: 108

約数和(自身を含む): 75809916

約数和(自身を除く): 53910396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1901, 1920, 2304, 2880, 3802, 3840, 5703, 5760, 7604, 9505, 11406, 11520, 15208, 17109, 19010, 22812, 28515, 30416, 34218, 38020, 45624, 57030, 60832, 68436, 76040, 85545, 91248, 114060, 121664, 136872, 152080, 171090, 182496, 228120, 243328, 273744, 304160, 342180, 364992, 456240, 486656, 547488, 608320, 684360, 729984, 912480, 1094976, 1216640, 1368720, 1459968, 1824960, 2189952, 2433280, 2737440, 3649920, 4379904, 5474880, 7299840, 10949760, 21899520]

約数ペア:

[(1, 21899520), (2, 10949760), (3, 7299840), (4, 5474880), (5, 4379904), (6, 3649920), (8, 2737440), (9, 2433280), (10, 2189952), (12, 1824960), (15, 1459968), (16, 1368720), (18, 1216640), (20, 1094976), (24, 912480), (30, 729984), (32, 684360), (36, 608320), (40, 547488), (45, 486656), (48, 456240), (60, 364992), (64, 342180), (72, 304160), (80, 273744), (90, 243328), (96, 228120), (120, 182496), (128, 171090), (144, 152080), (160, 136872), (180, 121664), (192, 114060), (240, 91248), (256, 85545), (288, 76040), (320, 68436), (360, 60832), (384, 57030), (480, 45624), (576, 38020), (640, 34218), (720, 30416), (768, 28515), (960, 22812), (1152, 19010), (1280, 17109), (1440, 15208), (1901, 11520), (1920, 11406), (2304, 9505), (2880, 7604), (3802, 5760), (3840, 5703)]