21789600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1297}}^1$

素因数の和:1327

約数の個数: 144

約数和(自身を含む): 81119808

約数和(自身を除く): 59330208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1297, 1400, 1680, 2100, 2400, 2594, 2800, 3360, 3891, 4200, 5188, 5600, 6485, 7782, 8400, 9079, 10376, 12970, 15564, 16800, 18158, 19455, 20752, 25940, 27237, 31128, 32425, 36316, 38910, 41504, 45395, 51880, 54474, 62256, 64850, 72632, 77820, 90790, 97275, 103760, 108948, 124512, 129700, 136185, 145264, 155640, 181580, 194550, 207520, 217896, 226975, 259400, 272370, 290528, 311280, 363160, 389100, 435792, 453950, 518800, 544740, 622560, 680925, 726320, 778200, 871584, 907900, 1037600, 1089480, 1361850, 1452640, 1556400, 1815800, 2178960, 2723700, 3112800, 3631600, 4357920, 5447400, 7263200, 10894800, 21789600]

約数ペア:

[(1, 21789600), (2, 10894800), (3, 7263200), (4, 5447400), (5, 4357920), (6, 3631600), (7, 3112800), (8, 2723700), (10, 2178960), (12, 1815800), (14, 1556400), (15, 1452640), (16, 1361850), (20, 1089480), (21, 1037600), (24, 907900), (25, 871584), (28, 778200), (30, 726320), (32, 680925), (35, 622560), (40, 544740), (42, 518800), (48, 453950), (50, 435792), (56, 389100), (60, 363160), (70, 311280), (75, 290528), (80, 272370), (84, 259400), (96, 226975), (100, 217896), (105, 207520), (112, 194550), (120, 181580), (140, 155640), (150, 145264), (160, 136185), (168, 129700), (175, 124512), (200, 108948), (210, 103760), (224, 97275), (240, 90790), (280, 77820), (300, 72632), (336, 64850), (350, 62256), (400, 54474), (420, 51880), (480, 45395), (525, 41504), (560, 38910), (600, 36316), (672, 32425), (700, 31128), (800, 27237), (840, 25940), (1050, 20752), (1120, 19455), (1200, 18158), (1297, 16800), (1400, 15564), (1680, 12970), (2100, 10376), (2400, 9079), (2594, 8400), (2800, 7782), (3360, 6485), (3891, 5600), (4200, 5188)]