21954424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3359}}^1$

素因数の和:3427

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 22397576

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 3359, 6536, 6718, 13436, 26872, 63821, 127642, 144437, 255284, 288874, 510568, 577748, 1155496, 2744303, 5488606, 10977212, 21954424]

約数ペア:

[(1, 21954424), (2, 10977212), (4, 5488606), (8, 2744303), (19, 1155496), (38, 577748), (43, 510568), (76, 288874), (86, 255284), (152, 144437), (172, 127642), (344, 63821), (817, 26872), (1634, 13436), (3268, 6718), (3359, 6536)]