21383992

素因数分解:

$2^3\times 7^3\times {\mathrm{7793}}^1$

素因数の和:7820

約数の個数: 32

約数和(自身を含む): 46764000

約数和(自身を除く): 25380008

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7793, 15586, 31172, 54551, 62344, 109102, 218204, 381857, 436408, 763714, 1527428, 2672999, 3054856, 5345998, 10691996, 21383992]

約数ペア:

[(1, 21383992), (2, 10691996), (4, 5345998), (7, 3054856), (8, 2672999), (14, 1527428), (28, 763714), (49, 436408), (56, 381857), (98, 218204), (196, 109102), (343, 62344), (392, 54551), (686, 31172), (1372, 15586), (2744, 7793)]