21916160

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1223}}^1$

素因数の和:1253

約数の個数: 80

約数和(自身を含む): 60103296

約数和(自身を除く): 38187136

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, 1120, 1223, 1280, 1792, 2240, 2446, 2560, 3584, 4480, 4892, 6115, 8561, 8960, 9784, 12230, 17122, 17920, 19568, 24460, 34244, 39136, 42805, 48920, 68488, 78272, 85610, 97840, 136976, 156544, 171220, 195680, 273952, 313088, 342440, 391360, 547904, 626176, 684880, 782720, 1095808, 1369760, 1565440, 2191616, 2739520, 3130880, 4383232, 5479040, 10958080, 21916160]

約数ペア:

[(1, 21916160), (2, 10958080), (4, 5479040), (5, 4383232), (7, 3130880), (8, 2739520), (10, 2191616), (14, 1565440), (16, 1369760), (20, 1095808), (28, 782720), (32, 684880), (35, 626176), (40, 547904), (56, 391360), (64, 342440), (70, 313088), (80, 273952), (112, 195680), (128, 171220), (140, 156544), (160, 136976), (224, 97840), (256, 85610), (280, 78272), (320, 68488), (448, 48920), (512, 42805), (560, 39136), (640, 34244), (896, 24460), (1120, 19568), (1223, 17920), (1280, 17122), (1792, 12230), (2240, 9784), (2446, 8960), (2560, 8561), (3584, 6115), (4480, 4892)]