21497262080

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{149953}}^1$

素因数の和:149989

約数の個数: 104

約数和(自身を含む): 58957114272

約数和(自身を除く): 37459852192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2048, 2240, 2560, 3584, 4096, 4480, 5120, 7168, 8960, 10240, 14336, 17920, 20480, 28672, 35840, 71680, 143360, 149953, 299906, 599812, 749765, 1049671, 1199624, 1499530, 2099342, 2399248, 2999060, 4198684, 4798496, 5248355, 5998120, 8397368, 9596992, 10496710, 11996240, 16794736, 19193984, 20993420, 23992480, 33589472, 38387968, 41986840, 47984960, 67178944, 76775936, 83973680, 95969920, 134357888, 153551872, 167947360, 191939840, 268715776, 307103744, 335894720, 383879680, 537431552, 614207488, 671789440, 767759360, 1074863104, 1343578880, 1535518720, 2149726208, 2687157760, 3071037440, 4299452416, 5374315520, 10748631040, 21497262080]

約数ペア:

[(1, 21497262080), (2, 10748631040), (4, 5374315520), (5, 4299452416), (7, 3071037440), (8, 2687157760), (10, 2149726208), (14, 1535518720), (16, 1343578880), (20, 1074863104), (28, 767759360), (32, 671789440), (35, 614207488), (40, 537431552), (56, 383879680), (64, 335894720), (70, 307103744), (80, 268715776), (112, 191939840), (128, 167947360), (140, 153551872), (160, 134357888), (224, 95969920), (256, 83973680), (280, 76775936), (320, 67178944), (448, 47984960), (512, 41986840), (560, 38387968), (640, 33589472), (896, 23992480), (1024, 20993420), (1120, 19193984), (1280, 16794736), (1792, 11996240), (2048, 10496710), (2240, 9596992), (2560, 8397368), (3584, 5998120), (4096, 5248355), (4480, 4798496), (5120, 4198684), (7168, 2999060), (8960, 2399248), (10240, 2099342), (14336, 1499530), (17920, 1199624), (20480, 1049671), (28672, 749765), (35840, 599812), (71680, 299906), (143360, 149953)]