21431208

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12577}}^1$

素因数の和:12657

約数の個数: 32

約数和(自身を含む): 54336960

約数和(自身を除く): 32905752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12577, 25154, 37731, 50308, 75462, 100616, 150924, 301848, 892967, 1785934, 2678901, 3571868, 5357802, 7143736, 10715604, 21431208]

約数ペア:

[(1, 21431208), (2, 10715604), (3, 7143736), (4, 5357802), (6, 3571868), (8, 2678901), (12, 1785934), (24, 892967), (71, 301848), (142, 150924), (213, 100616), (284, 75462), (426, 50308), (568, 37731), (852, 25154), (1704, 12577)]