21220296

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6361}}^1$

素因数の和:6509

約数の個数: 32

約数和(自身を含む): 53440800

約数和(自身を除く): 32220504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6361, 12722, 19083, 25444, 38166, 50888, 76332, 152664, 884179, 1768358, 2652537, 3536716, 5305074, 7073432, 10610148, 21220296]

約数ペア:

[(1, 21220296), (2, 10610148), (3, 7073432), (4, 5305074), (6, 3536716), (8, 2652537), (12, 1768358), (24, 884179), (139, 152664), (278, 76332), (417, 50888), (556, 38166), (834, 25444), (1112, 19083), (1668, 12722), (3336, 6361)]