21828800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1949}}^1$

素因数の和:1978

約数の個数: 84

約数和(自身を含む): 61417200

約数和(自身を除く): 39588400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 1949, 2240, 2800, 3898, 5600, 7796, 9745, 11200, 13643, 15592, 19490, 27286, 31184, 38980, 48725, 54572, 62368, 68215, 77960, 97450, 109144, 124736, 136430, 155920, 194900, 218288, 272860, 311840, 341075, 389800, 436576, 545720, 623680, 682150, 779600, 873152, 1091440, 1364300, 1559200, 2182880, 2728600, 3118400, 4365760, 5457200, 10914400, 21828800]

約数ペア:

[(1, 21828800), (2, 10914400), (4, 5457200), (5, 4365760), (7, 3118400), (8, 2728600), (10, 2182880), (14, 1559200), (16, 1364300), (20, 1091440), (25, 873152), (28, 779600), (32, 682150), (35, 623680), (40, 545720), (50, 436576), (56, 389800), (64, 341075), (70, 311840), (80, 272860), (100, 218288), (112, 194900), (140, 155920), (160, 136430), (175, 124736), (200, 109144), (224, 97450), (280, 77960), (320, 68215), (350, 62368), (400, 54572), (448, 48725), (560, 38980), (700, 31184), (800, 27286), (1120, 19490), (1400, 15592), (1600, 13643), (1949, 11200), (2240, 9745), (2800, 7796), (3898, 5600)]