21060588

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 31436052

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1301, 1349, 2602, 2698, 3903, 4047, 5204, 5396, 7806, 8094, 15612, 16188, 24719, 49438, 74157, 92371, 98876, 148314, 184742, 277113, 296628, 369484, 554226, 1108452, 1755049, 3510098, 5265147, 7020196, 10530294, 21060588]

約数ペア:

[(1, 21060588), (2, 10530294), (3, 7020196), (4, 5265147), (6, 3510098), (12, 1755049), (19, 1108452), (38, 554226), (57, 369484), (71, 296628), (76, 277113), (114, 184742), (142, 148314), (213, 98876), (228, 92371), (284, 74157), (426, 49438), (852, 24719), (1301, 16188), (1349, 15612), (2602, 8094), (2698, 7806), (3903, 5396), (4047, 5204)]