21305244

素因数分解:

$2^2\times 3^1\times {\mathrm{229}}^1\times {\mathrm{7753}}^1$

素因数の和:7989

約数の個数: 24

約数和(自身を含む): 49935760

約数和(自身を除く): 28630516

約数列:

[1, 2, 3, 4, 6, 12, 229, 458, 687, 916, 1374, 2748, 7753, 15506, 23259, 31012, 46518, 93036, 1775437, 3550874, 5326311, 7101748, 10652622, 21305244]

約数ペア:

[(1, 21305244), (2, 10652622), (3, 7101748), (4, 5326311), (6, 3550874), (12, 1775437), (229, 93036), (458, 46518), (687, 31012), (916, 23259), (1374, 15506), (2748, 7753)]