21831616

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7933}}^1$

素因数の和:7988

約数の個数: 28

約数和(自身を含む): 44335192

約数和(自身を除く): 22503576

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7933, 15866, 31732, 63464, 126928, 253856, 341119, 507712, 682238, 1364476, 2728952, 5457904, 10915808, 21831616]

約数ペア:

[(1, 21831616), (2, 10915808), (4, 5457904), (8, 2728952), (16, 1364476), (32, 682238), (43, 507712), (64, 341119), (86, 253856), (172, 126928), (344, 63464), (688, 31732), (1376, 15866), (2752, 7933)]