21101772

素因数分解:

$2^2\times 3^1\times {\mathrm{971}}^1\times {\mathrm{1811}}^1$

素因数の和:2789

約数の個数: 24

約数和(自身を含む): 49315392

約数和(自身を除く): 28213620

約数列:

[1, 2, 3, 4, 6, 12, 971, 1811, 1942, 2913, 3622, 3884, 5433, 5826, 7244, 10866, 11652, 21732, 1758481, 3516962, 5275443, 7033924, 10550886, 21101772]

約数ペア:

[(1, 21101772), (2, 10550886), (3, 7033924), (4, 5275443), (6, 3516962), (12, 1758481), (971, 21732), (1811, 11652), (1942, 10866), (2913, 7244), (3622, 5826), (3884, 5433)]