21416400

素因数分解:

$2^4\times 3^4\times 5^2\times {\mathrm{661}}^1$

素因数の和:691

約数の個数: 150

約数和(自身を含む): 76978022

約数和(自身を除く): 55561622

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 270, 300, 324, 360, 400, 405, 432, 450, 540, 600, 648, 661, 675, 720, 810, 900, 1080, 1200, 1296, 1322, 1350, 1620, 1800, 1983, 2025, 2160, 2644, 2700, 3240, 3305, 3600, 3966, 4050, 5288, 5400, 5949, 6480, 6610, 7932, 8100, 9915, 10576, 10800, 11898, 13220, 15864, 16200, 16525, 17847, 19830, 23796, 26440, 29745, 31728, 32400, 33050, 35694, 39660, 47592, 49575, 52880, 53541, 59490, 66100, 71388, 79320, 89235, 95184, 99150, 107082, 118980, 132200, 142776, 148725, 158640, 178470, 198300, 214164, 237960, 264400, 267705, 285552, 297450, 356940, 396600, 428328, 446175, 475920, 535410, 594900, 713880, 793200, 856656, 892350, 1070820, 1189800, 1338525, 1427760, 1784700, 2141640, 2379600, 2677050, 3569400, 4283280, 5354100, 7138800, 10708200, 21416400]

約数ペア:

[(1, 21416400), (2, 10708200), (3, 7138800), (4, 5354100), (5, 4283280), (6, 3569400), (8, 2677050), (9, 2379600), (10, 2141640), (12, 1784700), (15, 1427760), (16, 1338525), (18, 1189800), (20, 1070820), (24, 892350), (25, 856656), (27, 793200), (30, 713880), (36, 594900), (40, 535410), (45, 475920), (48, 446175), (50, 428328), (54, 396600), (60, 356940), (72, 297450), (75, 285552), (80, 267705), (81, 264400), (90, 237960), (100, 214164), (108, 198300), (120, 178470), (135, 158640), (144, 148725), (150, 142776), (162, 132200), (180, 118980), (200, 107082), (216, 99150), (225, 95184), (240, 89235), (270, 79320), (300, 71388), (324, 66100), (360, 59490), (400, 53541), (405, 52880), (432, 49575), (450, 47592), (540, 39660), (600, 35694), (648, 33050), (661, 32400), (675, 31728), (720, 29745), (810, 26440), (900, 23796), (1080, 19830), (1200, 17847), (1296, 16525), (1322, 16200), (1350, 15864), (1620, 13220), (1800, 11898), (1983, 10800), (2025, 10576), (2160, 9915), (2644, 8100), (2700, 7932), (3240, 6610), (3305, 6480), (3600, 5949), (3966, 5400), (4050, 5288)]