21107712

素因数分解:

$2^{10}\times 3^1\times {\mathrm{6871}}^1$

素因数の和:6894

約数の個数: 44

約数和(自身を含む): 56267936

約数和(自身を除く): 35160224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 3072, 6871, 13742, 20613, 27484, 41226, 54968, 82452, 109936, 164904, 219872, 329808, 439744, 659616, 879488, 1319232, 1758976, 2638464, 3517952, 5276928, 7035904, 10553856, 21107712]

約数ペア:

[(1, 21107712), (2, 10553856), (3, 7035904), (4, 5276928), (6, 3517952), (8, 2638464), (12, 1758976), (16, 1319232), (24, 879488), (32, 659616), (48, 439744), (64, 329808), (96, 219872), (128, 164904), (192, 109936), (256, 82452), (384, 54968), (512, 41226), (768, 27484), (1024, 20613), (1536, 13742), (3072, 6871)]