21253624

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3547}}^1$

素因数の和:3667

約数の個数: 32

約数和(自身を含む): 45982080

約数和(自身を除く): 24728456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3547, 5992, 7094, 14188, 24829, 28376, 49658, 99316, 198632, 379529, 759058, 1518116, 2656703, 3036232, 5313406, 10626812, 21253624]

約数ペア:

[(1, 21253624), (2, 10626812), (4, 5313406), (7, 3036232), (8, 2656703), (14, 1518116), (28, 759058), (56, 379529), (107, 198632), (214, 99316), (428, 49658), (749, 28376), (856, 24829), (1498, 14188), (2996, 7094), (3547, 5992)]