21862400

素因数分解:

$2^{11}\times 5^2\times 7^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 62964720

約数和(自身を除く): 41102320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 61, 64, 70, 80, 100, 112, 122, 128, 140, 160, 175, 200, 224, 244, 256, 280, 305, 320, 350, 400, 427, 448, 488, 512, 560, 610, 640, 700, 800, 854, 896, 976, 1024, 1120, 1220, 1280, 1400, 1525, 1600, 1708, 1792, 1952, 2048, 2135, 2240, 2440, 2560, 2800, 3050, 3200, 3416, 3584, 3904, 4270, 4480, 4880, 5120, 5600, 6100, 6400, 6832, 7168, 7808, 8540, 8960, 9760, 10240, 10675, 11200, 12200, 12800, 13664, 14336, 15616, 17080, 17920, 19520, 21350, 22400, 24400, 25600, 27328, 31232, 34160, 35840, 39040, 42700, 44800, 48800, 51200, 54656, 62464, 68320, 71680, 78080, 85400, 89600, 97600, 109312, 124928, 136640, 156160, 170800, 179200, 195200, 218624, 273280, 312320, 341600, 358400, 390400, 437248, 546560, 624640, 683200, 780800, 874496, 1093120, 1366400, 1561600, 2186240, 2732800, 3123200, 4372480, 5465600, 10931200, 21862400]

約数ペア:

[(1, 21862400), (2, 10931200), (4, 5465600), (5, 4372480), (7, 3123200), (8, 2732800), (10, 2186240), (14, 1561600), (16, 1366400), (20, 1093120), (25, 874496), (28, 780800), (32, 683200), (35, 624640), (40, 546560), (50, 437248), (56, 390400), (61, 358400), (64, 341600), (70, 312320), (80, 273280), (100, 218624), (112, 195200), (122, 179200), (128, 170800), (140, 156160), (160, 136640), (175, 124928), (200, 109312), (224, 97600), (244, 89600), (256, 85400), (280, 78080), (305, 71680), (320, 68320), (350, 62464), (400, 54656), (427, 51200), (448, 48800), (488, 44800), (512, 42700), (560, 39040), (610, 35840), (640, 34160), (700, 31232), (800, 27328), (854, 25600), (896, 24400), (976, 22400), (1024, 21350), (1120, 19520), (1220, 17920), (1280, 17080), (1400, 15616), (1525, 14336), (1600, 13664), (1708, 12800), (1792, 12200), (1952, 11200), (2048, 10675), (2135, 10240), (2240, 9760), (2440, 8960), (2560, 8540), (2800, 7808), (3050, 7168), (3200, 6832), (3416, 6400), (3584, 6100), (3904, 5600), (4270, 5120), (4480, 4880)]